Laird Connectivity BT850 Bluetooth 4.2 Dual Mode USB HCI Module, Bluetooth 4.2 Dual Mode UART HCI Module User Manual CS GUIDE BT860 Certs

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Users Manual-2

A Datasheet BT860 Bluetooth v4.2 Dual-Mode UART HCI Module Version 1.0

BT860 Datasheet Embedded Wireless Solutions Support Center: http://ews-support.lairdtech.com www.lairdtech.com/bluetooth 2 © Copyright 2017 Laird. All Rights Reserved Americas: +1-800-492-2320 Europe: +44-1628-858-940 Hong Kong: +852 2923 0610 REVISION HISTORY Version Date Notes Approver 1.0 04 Dec. 2017 Initial Release Jacky Kuo

BT860 Datasheet Embedded Wireless Solutions Support Center: http://ews-support.lairdtech.com www.lairdtech.com/bluetooth 3 © Copyright 2017 Laird. All Rights Reserved Americas: +1-800-492-2320 Europe: +44-1628-858-940 Hong Kong: +852 2923 0610 CONTENTS 1 Scope ............................................................................................................................................................. 4 2 Operational Description ........................................................................................................................... 4 3 Block Diagram and Descriptions ............................................................................................................... 5 4 Specifications ........................................................................................................................................... 6 5 Pin Definitions .......................................................................................................................................... 6 6 DC Electrical Characteristics ..................................................................................................................... 8 7 RF Characteristics ..................................................................................................................................... 8 8 Interface .................................................................................................................................................. 9 8.1. Global Coexistence Interface .................................................................................................................... 9 8.2. UART Interface ....................................................................................................................................... 10 8.2.1. Simultaneous UART Transport and Bridging ........................................................................................... 10 8.3. PCM Interface ........................................................................................................................................ 11 8.3.1. Slot Mapping .......................................................................................................................................... 11 8.3.2. Frame Synchronization ........................................................................................................................... 12 8.3.3. Data Formatting ....................................................................................................................................... 15 8.3.4. Wideband Speech Support ..................................................................................................................... 16 8.3.5. Multiplexed Bluetooth Over PCM ................................................................................................................ 16 8.3.6. Burst PCM Mode .................................................................................................................................... 16 8.4. I2S Interface............................................................................................................................................ 18 8.5. BSC (Cypress Serial Control) Master Interface ......................................................................................... 20 9 Antenna Performance ............................................................................................................................ 21 10 Mechanical Dimensions and Land Pattern .............................................................................................. 23 11 Implementation Note ............................................................................................................................. 24 11.1. PCB Layout on Host PCB ......................................................................................................................... 24 12 Application Note for Surface Mount Modules ........................................................................................ 25 12.1. Introduction ........................................................................................................................................... 25 12.2. Shipping ................................................................................................................................................. 25 12.3. Reflow Parameters ................................................................................................................................. 27 13 Japan (MIC) Regulatory .......................................................................................................................... 28 14 FCC Regulatory ....................................................................................................................................... 29 15 Industry Canada Regulatory ................................................................................................................... 31 16 European Union Regulatory ................................................................................................................... 32 17 Ordering Information ............................................................................................................................. 33 18 Bluetooth SIG Approvals......................................................................................................................... 34 18.1. Application Note: Subsystem Combinations ........................................................................................... 34 19 Additional Assistance ............................................................................................................................. 35

BT860 Datasheet Embedded Wireless Solutions Support Center: http://ews-support.lairdtech.com www.lairdtech.com/bluetooth 4 © Copyright 2017 Laird. All Rights Reserved Americas: +1-800-492-2320 Europe: +44-1628-858-940 Hong Kong: +852 2923 0610 1 SCOPE This document describes key hardware aspects of the Laird BT860 Bluetooth HCI module. This document is intended to assist device manufacturers and related parties with the integration of this module into their host devices. Data in this document are drawn from a number of sources including data sheets for the CYW20704A2. Because the BT860 is currently in development stage, this document is preliminary and the information in this document is subject to change. Please contact Laird Technologies or visit the Laird website at www.Lairdtech.com to obtain the most recent version of this document. BT860-SA module BT860-ST module 2 OPERATIONAL DESCRIPTION The BT86x series of UART HCI modules leverage the Cypress CYW20704 A2 chipset to provide exceptionally low power consumption with outstanding range for OEMs needing both Classic Bluetooth and Bluetooth Low Energy support. The Bluetooth v4.2 core specification shortens your development time and provides enhanced throughput, security and privacy. The BT860 modules are ideal when designers need both performance and minimum size. For maximum flexibility in integration, they support a host UART interface, I2S and PCM audio interfaces, GPIO, and Cypress’GCI coexistence (2-Wire). The modules provide excellent RF performance and identical footprint options for integrated antenna or an external antenna via a trace pin. These modules present a Bluetooth standard HCI interface with support for Linux / Android and Embedded Bluetooth software stacks for operating system backed devices. Additionally, Laird has partnered with Searan for support of their ultra small, flexible ‘dotstack’ platform for embedded Cortex M3 and M4 implementations. Features and Benefits Application Areas  Bluetooth v4.2 - Dual mode (Classic Bluetooth and BLE)  Compact footprint  2-wire Cypress Global Coexistence Interface (GCI)  High antenna radiation gain and efficiency  Good interference rejection for multi-com system (GSM/WCDMA)  Class 1 output – 8 dBm  USB, I2S, and PCM  Industrial Temperature Range  512 k EEPROM support  Bluetooth Controller subsystem  FCC, IC, CE, RCM and Giteki approvals  Medical devices  ePOS terminals  Barcode scanners  Industrial Cable Replacement  M2M Connectivity  Automotive Diagnostic Equipment  Personal Digital Assistants (PDA)  Bluetooth HID device (keyboard, mouse, joystick)

BT860 Datasheet Embedded Wireless Solutions Support Center: http://ews-support.lairdtech.com www.lairdtech.com/bluetooth 5 © Copyright 2017 Laird. All Rights Reserved Americas: +1-800-492-2320 Europe: +44-1628-858-940 Hong Kong: +852 2923 0610 3 BLOCK DIAGRAM AND DESCRIPTIONS Figure 1: BT860 Module block diagram CYW20704A2 (Main chip) The BT860 is based on CYW20704A2 dual mode chip. The chip is a single-chip radio with on-chip LDO regulators and baseband IC for Bluetooth 2.4 GHz systems including EDR to 3 Mbps. Dedicated signal and baseband processing is included for full Bluetooth operation. The chip provides I2S/PCM and USB interfaces. There are two general purpose I/Os be configured for proprietary of Cypress GCI used and a general purpose I/O can be configured for scan/inquire/paging/data traffic of indicator. There three I/Os pins are controlled by firmware. Antenna BT860 – The antenna is a ceramic monopole chip antenna. Band Pass Filter The band pass filter filters the out-of-band emissions from the transmitter to meet the specific regulations for type approvals of various countries. EEPROM There are 512 k bits EEPROM embedded on the BT860 module which can be used to store parameters, such as BD_ADDR, USB enumeration information, maximum TX power, PCM configuration, USB product ID, USB vendor ID, and USB product description. With that, the BT860 module can support UHE/HCI Proxy mode. Crystal The embedded 40 MHz crystal is used for generating the clock for the entire module.

BT860 Datasheet Embedded Wireless Solutions Support Center: http://ews-support.lairdtech.com www.lairdtech.com/bluetooth 6 © Copyright 2017 Laird. All Rights Reserved Americas: +1-800-492-2320 Europe: +44-1628-858-940 Hong Kong: +852 2923 0610 4 SPECIFICATIONS Table 1: BT860 specifications Categories Feature Implementation Wireless Specification Bluetooth® V4.2 Dual Mode Frequency 2.402 - 2.480 GHz Maximum Transmit Power Class 1 +8 dBm from antenna Receive Sensitivity -94 dBm Range Circa 100 meters Data Rates Up to 3 Mbps (over-the-air) Host Interface UART Up to 4 Mbps GPIO 3.3V for all general purpose I/Os Operational Modes HCI Host Controller Interface over USB UHE USB HID Emulation EEPROM 2-wire 512 K bits Coexistence 802.11 (Wi-Fi) 2-Wire Cypress Global Coexistence Interface (GCI) Supply Voltage Supply 3.3V +/-10% Power Consumption Current Idle Mode ~8 mA File Transfer ~43 mA Antenna Option Internal Multilayer ceramic antenna Physical Dimensions 8.5 x 13 x 1.6 mm (BT860 - Module) Environmental Operating -30° C to +85° C Storage -40° C to +85° C Miscellaneous Lead Free Lead-free and RoHS compliant Warranty One-Year Warranty Approvals Bluetooth® Controller Subsystem Approved FCC / IC / CE / RCM / Giteki All BT860 series 5 PIN DEFINITIONS Table 2: BT860 pin definitions Pin No. Pin Name I/O Supply Domain Description If Unused 1 NC NC 2 GND GND Ground GND 3 GPIO_5 Bi-directional 3V3 Programmable input/output line 4 UART_RTS Bi-directional 3V3 UART request to send output NC 5 UART_TXD Bi-directional 3V3 UART transmit data NC 6 UART_CTS Bi-directional 3V3 UART clear to send input NC 7 UART_RXD Bi-directional 3V3 UART receive data NC

BT860 Datasheet Embedded Wireless Solutions Support Center: http://ews-support.lairdtech.com www.lairdtech.com/bluetooth 7 © Copyright 2017 Laird. All Rights Reserved Americas: +1-800-492-2320 Europe: +44-1628-858-940 Hong Kong: +852 2923 0610 Pin No. Pin Name I/O Supply Domain Description If Unused 8 RESET Input 3V3 Active-low reset input N/A 9 3.3V Input 3V3 Module main DC power supply, Input to internal 1.2V and 2.5V LDO N/A 10 NC NC 11 GND GND Ground GND 12 GND GND Ground GND 13 GND GND Ground GND 14 GND GND Ground GND 15 GND GND Ground GND 16 GND GND Ground GND 17 RF BT860-ST RF signal output (50Ω) BT860-SA No connection 18 GND GND Ground GND 19 I2S_WS/PCM_SYNC Bidirectional 3V3 PCM sync/I2S word select NC 20 I2S_CLK/PCM_CLK Bidirectional 3V3 PCM/I2S clock NC 21 I2S_DI/PCM_IN Bidirectional 3V3 PCM/I2S data input NC 22 I2S_OUT/PCM_OUT Bidirectional 3V3 PCM/I2S data output NC 23 GND GND Ground GND 24 NC NC 25 BT_SECI_IN Input 3V3 Coexistence data input NC 26 BT_SECI_OUT Output 3V3 Coexistence data output NC 27 NC NC 28 NC NC 29 BT_HOST_WAKE Output 3V3 BT device to wake up the Host NC 30 GND GND Ground NC Pin Definition Note: Note 1 For to meet the pin alignment of BT830, there are a number of pins which must be put to NC (No Connection) status.

BT860 Datasheet Embedded Wireless Solutions Support Center: http://ews-support.lairdtech.com www.lairdtech.com/bluetooth 8 © Copyright 2017 Laird. All Rights Reserved Americas: +1-800-492-2320 Europe: +44-1628-858-940 Hong Kong: +852 2923 0610 6 DC ELECTRICAL CHARACTERISTICS Table 3: Recommended operating conditions Rating Min Max Unit Storage temperature -40 +150 ⁰C Operating Temperature -30 +85 ⁰C 3V3 Input 3.0 3.6 V Table 4: Digital I/O characteristics Normal Operation Min Typ. Max Unit VIL Input Low Voltage (VDDO = 3.3V) - - 0.8 V VIH Input High Voltage (VDDO = 3.3V) 2.0 - - V VOL Output Low Voltage - - 0.4 V VOH Output High Voltage VDDO-0.4 - - V IIL Input Low Current - - 1.0 µA IIH Input High Current - - 1.0 µA IOL Output Low Current (VDDO = 3.3V, VOL = 0.4V) - - 2.0 mA IOH Output Low Current (VDDO = 3.3V, VOH = 2.9V) - - 2.0 mA CIN Input Capacitance - - 0.4 pF Table 5: Current consumption Normal Operation Peak (8 dBm) AVG Unit Idle - 8 mA Inquiry 23 22 mA File Transfer 43 26 mA LE Connected (Master) 26 - mA LE Scan (Master) 26 - mA LE File Transfer 27 26 mA 7 RF CHARACTERISTICS Table 6: BDR/EDR/LE transmitter characteristics (Input = 3V3 @ 25° C) Parameter Min Typ. Max BT. Spec. Unit GFSK Maximum RF Transmit Power 6 8 10 20 dBm EDR Maximum RF Transmit Power 2 4 6 20 dBm RF power variation over temperature range - 2.0 - - dB RF power variation over BT band - 2 - - dB RF power control step 2 4 8 - dB Initial Carrier Frequency Tolerance - 10 - 75 kHz 20 dB Bandwidth - 920 - 1000 kHz In-Band Spurious Emissions 1.0 MHz < |M-N| < 1.5 MHz - - -39 -26 dBc

BT860 Datasheet Embedded Wireless Solutions Support Center: http://ews-support.lairdtech.com www.lairdtech.com/bluetooth 9 © Copyright 2017 Laird. All Rights Reserved Americas: +1-800-492-2320 Europe: +44-1628-858-940 Hong Kong: +852 2923 0610 Parameter Min Typ. Max BT. Spec. Unit 1.5 MHz < |M-N| < 2.5 MHz - - -39 -20 dBm |M-N| 2.5 MHz - - -47 -40 dBm Drift rate - 10 - +/-25 kHz ∆F1Avg - 152 - 140<>175 kHz ∆F2Max 100 - - 99.9 % ∆F2Avg / ∆F1Avg - 1.0 - ≧ 0.8 LE ∆F1Avg - 245 - 225<>275 kHz LE ∆F2Max 100 - - 99.9 % LE ∆F2Avg / ∆F1Avg - 1.0 - 0.8 Table 7: BDR/EDR/LE receiver sensitivity (Input = 3V3 @ 25° C) Parameter Conditions Min Typ. Max BT. Spec. Unit Sensitivity GFSK, 0.1% BER, 1Mbps -90 -70 dBm π/4-DQPSK, 0.01% BER, 2Mbps -94 -70 dBm 8-DPSK, 0.01% BER, 3Mbps -87 -70 dBm GFSK, 30.8% PER, 1Mbps -94 -70 dBm Sensitivity variation All Modulations (Over BT band) 2 dB 8 INTERFACE 8.1. Global Coexistence Interface The BT860 supports the proprietary Cypress Global Coexistence Interface (GCI) which is a 2-wire interface. The following key features are associated with the interface:  Enhanced coexistence data can be exchanged over GCI_SECI_IN and GCI_SECI_OUT a two-wire interface, one serial input (GCI_SECI_IN), and one serial output (GCI_SECI_OUT). The both pins are controlled by the configuration file that is stored in EEPROM from the host.  It supports generic UART communication between WLAN and Bluetooth devices.  To conserve power, it is disabled when inactive.  It supports automatic resynchronization upon waking from sleep mode.  It supports a baud rate of up to 4 Mbps. Table 8 shows the 2-wire BT coexistence interface assignments. Table 8: BT GCI Two-Wire Coexistence Coexistence Signal Name Signal Assignment Pin Number BT_SECI_IN GPIO_6 B6 BT_SECI_OUT GPIO_7 C6

BT860 Datasheet Embedded Wireless Solutions Support Center: http://ews-support.lairdtech.com www.lairdtech.com/bluetooth 10 © Copyright 2017 Laird. All Rights Reserved Americas: +1-800-492-2320 Europe: +44-1628-858-940 Hong Kong: +852 2923 0610 8.2. UART Interface The BT860 shares a single UART for Bluetooth. The UART is a standard four-wire interface (RX, TX, RTS, and CTS) with adjustable baud rates from 38400 bps to 4.0 Mbps. The interface features an automatic baud rate detection capability that returns a baud rate selection. Alternatively, the baud rate may be selected through a vendor-specific UART HCI command. UART has a 1040-byte receive FIFO and 1040-byte transmits FIFO to support EDR. Access to the FIFO is conducted through the AHB interface through either DMA or the CPU. The UART supports the Bluetooth 4.2 UART HCI specification: H4, and a custom Extended H4. The default baud rate is 115.2 Kbaud. The BT860 UART can perform XON/XOFF flow control and includes hardware support for Serial Line Input Protocol (SLIP). It can also perform wake-on activity. For the BT860 is supported BT to wake-up Host. Normally, the UART baud rate is set by a configuration record downloaded after device reset, or by automatic baud rate detection, and the host does not need to adjust the baud rate. Support for changing the baud rate during normal HCI UART operation is included through a vendor-specific command that allows the host to adjust the contents of the baud rate registers. The BT860 UARTs operate correctly with the host UART if the combined baud rate error of the two devices is within ±2%. Table 9: Example of common baud rates Desired Rate Actual Rate Error (%) 4000000 4000000 0.00 3000000 3000000 0.00 2000000 2000000 0.00 1500000 1500000 0.00 921600 923077 0.16 460800 461538 0.16 230400 230796 0.17 115200 115385 0.16 57600 57692 0.16 38400 38400 0.00 8.2.1. Simultaneous UART Transport and Bridging The BT860 supports UART or USB interfaces that can function as the host controller interface (HCI). Typically, a customer application would choose one of the two interfaces and the other would be idle. The BT860 allows the UART transport to operate simultaneously with the USB. To operate this way, the assumption is that the USB would function as the primary host transport, while the UART would function as a secondary communication channel that can operate at the same time. This can enable the following applications -  Bridging primary HCI transport traffic to another device via the UART  Generic communication to an external device for a vendor-supported application via the UART Table 10 and Figure 2 shows UART timing of specifications.

BT860 Datasheet Embedded Wireless Solutions Support Center: http://ews-support.lairdtech.com www.lairdtech.com/bluetooth 11 © Copyright 2017 Laird. All Rights Reserved Americas: +1-800-492-2320 Europe: +44-1628-858-940 Hong Kong: +852 2923 0610 Table 10: UART timing specifications Reference Characteristics Min. Typ. Max. Unit 1 Delay time UART_CTS_N low to UART TXD valid - - 1.50 Bit periods 2 Setup time UART_CTS_N high before midpoint of stop bit - - 0.67 Bit periods 3 Delay time Midpoint of stop bit to UART_CTS_N high - - 1.33 Bit periods Figure 2: UART timing 8.3. PCM Interface The BT860 supports two independent PCM interfaces that share the pins with I2S interfaces. The PCM interface on the BT860 can connect to linear PCM Codec devices in master or slave mode. In master mode, the BT860 generates the PCM_CLK and PCM_SYNC signals, and in slave mode, these signals are provided by another master on the PCM interface and are inputs to the BT860. The configuration of the PCM interface may be adjusted by the host using vendor-specific HCI commands. 8.3.1. Slot Mapping The BT860 supports up to three simultaneous full-duplex SCO or eSCO channels through the PCM interface. These three channels are time-multiplexed onto the single PCM interface by using a time-slotting scheme where the 8 kHz or 16 kHz audio sample interval is divided into as many as 16 slots. The number of slots is dependent on the selected interface rate of 128 kHz, 512 kHz, or 1024 kHz. The corresponding number of slots for these interface rate is 1, 2, 4, 8 and 16, respectively. Transmit and receive PCM data from an SCO channel is always mapped to the same slot. The PCM data output driver tristates its output on unused slots to allow other devices to share the same PCM interface signals. The data output driver tristates its output after the falling edge of the PCM clock during the last bit of the slot.

BT860 Datasheet Embedded Wireless Solutions Support Center: http://ews-support.lairdtech.com www.lairdtech.com/bluetooth 12 © Copyright 2017 Laird. All Rights Reserved Americas: +1-800-492-2320 Europe: +44-1628-858-940 Hong Kong: +852 2923 0610 8.3.2. Frame Synchronization The BT860 supports both short- and long-frame synchronization in both master and slave modes. In short-frame synchronization mode, the frame synchronization signal uses an active-high pulse at the audio frame rate that is a single-bit period in width and is synchronized to the rising edge of the bit clock. The PCM slave looks for a high on the falling edge of the bit clock and expects the first bit of the first slot to start at the next rising edge of the clock. Figure 3 and Table 11 shows PCM Timing Diagram and Specifications for the master mode of short-frame. Figure 3: PCM timing diagram (Short-Frame Sync, Master Mode) Table 11: PCM Interface timing specifications (Short-Frame Sync, Master Mode) Reference Characteristics Min. Typ. Max. Unit 1 PCM bit clock frequency - - 12 MHz 2 PCM bit clock LOW 41 - - ns 3 PCM bit clock HIGH 41 - - ns 4 PCM_SYNC setup 0 - 25 ns 5 PCM_OUT delay 0 - 25 ns 6 PCM_IN setup 8 - - ns 7 PCM_IN hold 8 - - ns 8 Delay from rising edge of PCM_BCLK during last bit period to PCM_OUT becoming high impedance 0 - 25 ns

BT860 Datasheet Embedded Wireless Solutions Support Center: http://ews-support.lairdtech.com www.lairdtech.com/bluetooth 13 © Copyright 2017 Laird. All Rights Reserved Americas: +1-800-492-2320 Europe: +44-1628-858-940 Hong Kong: +852 2923 0610 Figure 4 and Table 12 shows PCM Timing Diagram and Specifications for the slave mode of short-frame. Figure 4: PCM timing diagram (Short-Frame Sync, Slave Mode) Table 12: PCM Interface timing specifications (Short-Frame Sync, Slave Mode) Reference Characteristics Min. Typ. Max. Unit 1 PCM bit clock frequency - - 12 MHz 2 PCM bit clock LOW 41 - - ns 3 PCM bit clock HIGH 41 - - ns 4 PCM_SYNC setup 8 - - ns 5 PCM_SYNC_hold 8 - - ns 6 PCM_OUT delay 0 - 25 ns 7 PCM_IN setup 8 - - ns 8 PCM_IN hold 8 - - ns 9 Delay from rising edge of PCM_BCLK during last bit period to PCM_OUT becoming high impedance 0 - 25 ns In long-frame synchronization mode, the frame synchronization signal is again an active-high pulse at the audio frame rate; however, the duration is three bit periods and the pulse starts coincident with the first bit of the first slot.

BT860 Datasheet Embedded Wireless Solutions Support Center: http://ews-support.lairdtech.com www.lairdtech.com/bluetooth 14 © Copyright 2017 Laird. All Rights Reserved Americas: +1-800-492-2320 Europe: +44-1628-858-940 Hong Kong: +852 2923 0610 Figure 5 through Table 13 shows PCM Timing Diagram and Specifications for the master mode of long-frame. Figure 5: PCM timing diagram (Long-Frame Sync, Master Mode) Table 13: PCM Interface timing specifications (Long-Frame Sync, Master Mode) Reference Characteristics Min. Typ. Max. Unit 1 PCM bit clock frequency - - 12 MHz 2 PCM bit clock LOW 41 - - ns 3 PCM bit clock HIGH 41 - - ns 4 PCM_SYNC delay 0 - 25 ns 5 PCM_OUT delay 0 - 25 ns 6 PCM_IN setup 8 - - ns 7 PCM_IN hold 8 - - ns 8 Delay from rising edge of PCM_BCLK during last bit period to PCM_OUT becoming high impedance 0 - 25 ns

BT860 Datasheet Embedded Wireless Solutions Support Center: http://ews-support.lairdtech.com www.lairdtech.com/bluetooth 15 © Copyright 2017 Laird. All Rights Reserved Americas: +1-800-492-2320 Europe: +44-1628-858-940 Hong Kong: +852 2923 0610 Figure 6 and Table 14 shows PCM Timing Diagram and Specifications for the slave mode of long-frame Figure 6: PCM timing diagram (Long-Frame Sync, Slave Mode) Table 14: PCM Interface timing specifications (Long-Frame Sync, Slave Mode) Reference Characteristics Min. Typ. Max. Unit 1 PCM bit clock frequency - - 12 MHz 2 PCM bit clock LOW 41 - - ns 3 PCM bit clock HIGH 41 - - ns 4 PCM_SYNC setup 8 - - ns 5 PCM_SYNC_hold 8 - - ns 6 PCM_OUT delay 0 - 25 ns 7 PCM_IN setup 8 - - ns 8 PCM_IN hold 8 - - ns 9 Delay from rising edge of PCM_BCLK during last bit period to PCM_OUT becoming high impedance 0 - 25 ns 8.3.3. Data Formatting The BT860 may be configured to generate and accept several different data formats. For conventional narrowband speech mode, the BT860 uses 13 of the 16 bits in each PCM frame. The location and order of these 13 bits can be configured to support various data formats on the PCM interface. The remaining three bits are ignored on the input and may be filled with 0s, 1s, a sign bit, or a programmed value on the output. The default format is 13-bit 2’s complement data, left justified, and clocked MSB first.

BT860 Datasheet Embedded Wireless Solutions Support Center: http://ews-support.lairdtech.com www.lairdtech.com/bluetooth 16 © Copyright 2017 Laird. All Rights Reserved Americas: +1-800-492-2320 Europe: +44-1628-858-940 Hong Kong: +852 2923 0610 8.3.4. Wideband Speech Support When the host encodes Wideband Speech (WBS) packets in transparent mode, the encoded packets are transferred over the PCM bus for an eSCO voice connection. In this mode, the PCM bus is typically configured in master mode for a 4 kHz sync rate with 16-bit samples, resulting in a 64 Kbps bit rate. The BT860 also supports slave transparent mode using a proprietary rate-matching scheme. In SBC-code mode, linear 16-bit data at 16 kHz (256Kbps rate) is transferred over the PCM bus. 8.3.5. Multiplexed Bluetooth Over PCM Bluetooth supports multiple audio streams within the Bluetooth channel and both 16 kHz and 8 kHz streams can be multiplexed. This mode of operation is only supported when the Bluetooth host is the master. Figure7 shows the operation of the multiplexed transport with three simultaneous SCO connections. To accommodate additional SCO channels, the transport clock speed is increased. To change between modes of operation, the transport must be halted and restarted in the new configuration. Figure 7: Functional Multiples Data diagram 8.3.6. Burst PCM Mode In this mode of operation, the PCM bus runs at a significantly higher rate of operation to allow the host to duty cycle its operation and save current. In this mode of operation, the PCM bus can operate at a rate of up to 24 MHz. This mode of operation is initiated with an HCI command from the host. Figure 8 and Table 15 shows PCM Burst mode timing diagram and specifications for the receive-only mode of short-frame sync.

BT860 Datasheet Embedded Wireless Solutions Support Center: http://ews-support.lairdtech.com www.lairdtech.com/bluetooth 17 © Copyright 2017 Laird. All Rights Reserved Americas: +1-800-492-2320 Europe: +44-1628-858-940 Hong Kong: +852 2923 0610 Figure 8: PCM Burst Mode timing (Receive Only, Short Frame Sync) Table 15: PCM Burst Mode Specifications (Receive Only, Short-Frame Sync) Reference Characteristics Min. Typ. Max. Unit 1 PCM bit clock frequency - - 24 MHz 2 PCM bit clock LOW 20.8 - - ns 3 PCM bit clock HIGH 20.8 - - ns 4 PCM_SYNC setup 8 - - ns 5 PCM_SYNC_hold 8 - - ns 6 PCM_IN setup 8 - - ns 7 PCM_IN hold 8 - - ns Figure 9 and Table 16 shows PCM Burst mode timing diagram and specifications for the receive-only mode of long-frame sync. Figure 9: PCM Burst Mode Timing (Receive Only, Long Frame Sync)

BT860 Datasheet Embedded Wireless Solutions Support Center: http://ews-support.lairdtech.com www.lairdtech.com/bluetooth 18 © Copyright 2017 Laird. All Rights Reserved Americas: +1-800-492-2320 Europe: +44-1628-858-940 Hong Kong: +852 2923 0610 Table 16: PCM Burst Mode Specifications (Receive Only, Long-Frame Sync) Reference Characteristics Min. Typ. Max. Unit 1 PCM bit clock frequency - - 24 MHz 2 PCM bit clock LOW 20.8 - - ns 3 PCM bit clock HIGH 20.8 - - ns 4 PCM_SYNC setup 8 - - ns 5 PCM_SYNC_hold 8 - - ns 6 PCM_IN setup 8 - - ns 7 PCM_IN hold 8 - - ns 8.4. I2S Interface The BT860 supports two independent I2S digital audio ports. The I2S interface supports both master and slave modes. The I2S signals are:  I2S clock: I2S SCK  I2S Word Select: I2S WS  I2S Data Out: I2S SDO  I2S Data In: I2S SDI I2S SCK and I2S WS become outputs in master mode and inputs in slave mode, while I2S SDO always stays as an output. The channel word length is 16 bits and the data is justified so that the MSB of the left-channel data is aligned with the MSB of the I2S bus, per the I2S specification. The MSB of each data word is transmitted one bit clock cycle after the I2S WS transition, synchronous with the falling edge of bit clock. Left-channel data is transmitted when I2S WS is low, and right-channel data is transmitted when I2S WS is high. Data bits sent by the BT860 are synchronized with the falling edge of I2S_SCK and should be sampled by the receiver on the rising edge of I2S_SSCK. The clock rate in master mode is either of the following: 48 kHz x 32 bits per frame = 1.536 MHz 48 kHz x 50 bits per frame = 2.400 MHz The master clock is generated from the input reference clock using a N/M clock divider. In the slave mode, any clock rate is supported to a maximum of 3.072 MHz.

BT860 Datasheet Embedded Wireless Solutions Support Center: http://ews-support.lairdtech.com www.lairdtech.com/bluetooth 19 © Copyright 2017 Laird. All Rights Reserved Americas: +1-800-492-2320 Europe: +44-1628-858-940 Hong Kong: +852 2923 0610 8.4.1. I2S Timing Timing values specified in Table 17 are relative to high and low threshold levels. Table 17: Timing for I2S Transmitters and Receivers Transmitter Receiver Notes Lower Limit Upper Limit Lower Limit Upper Limit Min Max Min Max Min Max Min Max Clock Period T Ttr - - - Tr - - - Master Mode: Clock generated by transmitter or receiver HIGH tHC 0.35Ttr - - - 0.35Ttr - - - LOW tLC 0.35Ttr - - - 0.35Ttr - - - Master Mode: Clock generated by transmitter or receiver HIGH tHC - 0.35Ttr - - - 0.35Ttr - - LOW tLC - 0.35Ttr - - - 0.35Ttr - - Rise time tRC - - 0.15Ttr - - - - - Transmitter Delay tdtr - - - 0.8T - - - - Hold time thtr 0 - - - - - - - Receiver Setup time tsr - - - - - 0.2Tr - - Hold time thr - - - - - 0 - - The time periods specified in Figure 10 and Figure 11 are defined by the transmitter speed. The receiver specifications must match transmitter performance. Figure 10: I2S Transmitter timing

BT860 Datasheet Embedded Wireless Solutions Support Center: http://ews-support.lairdtech.com www.lairdtech.com/bluetooth 20 © Copyright 2017 Laird. All Rights Reserved Americas: +1-800-492-2320 Europe: +44-1628-858-940 Hong Kong: +852 2923 0610 Figure 11: I2S Receiver Timing 8.5. BSC (Cypress Serial Control) Master Interface BT860 includes a Cypress Serial Control (BSC) master interface. The BSC interface supports low-speed and fast mode devices and is compatible with I2C slave devices. Multiple I2C master devices and flexible wait state insertion by the master interface or slave devices are not supported. The BT860 provides 400 kHz, full speed clock support. The BSC interface is programmed by the CPU to generate the following BSC transfer types on the bus:  Read-only  Write-only  Combined read/write  Combined write-read NVRAM may contain configuration information about the customer application, including the following:  Fractional-N information  BD_ADDR  UART baud rate  USB enumeration information  SDP service record  File system information used for code, code patches, or data Figure 12 and Table 18 define the timing requirements for the BSC interface. Figure 12: BSC Interface Timing Diagram

BT860 Datasheet Embedded Wireless Solutions Support Center: http://ews-support.lairdtech.com www.lairdtech.com/bluetooth 21 © Copyright 2017 Laird. All Rights Reserved Americas: +1-800-492-2320 Europe: +44-1628-858-940 Hong Kong: +852 2923 0610 Table 18: BSC Interface Timing Specifications Reference Characteristics Min. Max. Unit 1 Clock frequency - 100 400 800 1000 kHz 2 START condition setup time 650 - ns 3 START condition hold time 280 - ns 4 Clock low time 650 - ns 5 Clock high time 280 - ns 6 Data input hold time 0 - ns 7 Data input setup time 100 - ns 8 STOP condition setup time 280 - ns 9 Output valid from clock - 400 ns 10 Bus free time 650 - ns 9 ANTENNA PERFORMANCE Table 19, Figure 13, and Figure 14 show the antenna gain and performance. Table 19: Antenna gain Unit in dBi @ 2440MHz XY-Plane XZ-Plane YZ-Plane Efficiency AT3216-B2R7HAA Peak Avg. Peak Avg. Peak Avg. 1.7 -2.9 2.3 -2.3 0.2 -5.4 55% Figure 13: Antenna Return Loss

BT860 Datasheet Embedded Wireless Solutions Support Center: http://ews-support.lairdtech.com www.lairdtech.com/bluetooth 22 © Copyright 2017 Laird. All Rights Reserved Americas: +1-800-492-2320 Europe: +44-1628-858-940 Hong Kong: +852 2923 0610 Figure 14: Antenna pattern

BT860 Datasheet Embedded Wireless Solutions Support Center: http://ews-support.lairdtech.com www.lairdtech.com/bluetooth 23 © Copyright 2017 Laird. All Rights Reserved Americas: +1-800-492-2320 Europe: +44-1628-858-940 Hong Kong: +852 2923 0610 10 MECHANICAL DIMENSIONS AND LAND PATTERN 10.1. BT860 Mechanical Drawing Note: Dimensions are in millimetres. Tolerances: .xx ±0.03 mm .x ±1.3 mm Dimensions from corner of BT860 Pin1

BT860 Datasheet Embedded Wireless Solutions Support Center: http://ews-support.lairdtech.com www.lairdtech.com/bluetooth 24 © Copyright 2017 Laird. All Rights Reserved Americas: +1-800-492-2320 Europe: +44-1628-858-940 Hong Kong: +852 2923 0610 11 IMPLEMENTATION NOTE 11.1. PCB Layout on Host PCB Checklist (for PCB):  MUST locate the BT860 module close to the edge of PCB.  Use solid GND plane on inner layer (for best EMC and RF performance).  Place GND vias close to module GND pads as possible  Route traces to avoid noise being picked up on VCC supply.  Antenna Keep-out area: – Ensure there is no copper in the antenna keep-out area on any layers of the host PCB. – Keep all mounting hardware and metal clear of the area to allow proper antenna radiation. – For best antenna performance, place the BT860 module on the edge of the host PCB, preferably in the corner with the antenna facing the corner. – A different host PCB thickness dielectric will have small effect on antenna. Figure 15: Recommend Antenna keep-out area (in Blue) used on the BT860 11.1.1. Antenna Keep-out and Proximity to Metal or Plastic Checklist (for metal /plastic enclosure):  Minimum safe distance for metals without seriously compromising the antenna (tuning) is 40 mm top/bottom and 30 mm left or right.  Metal close to the BT860 chip monopole antenna (bottom, top, left, right, any direction) will have degradation on the antenna performance. The amount of degradation is entirely system dependent which means some testing by customers is required (in their host application).  Any metal closer than 20 mm starts to significantly degrade performance (S11, gain, radiation efficiency).  It is best that the customer tests the range with mock-up (or actual prototype) of the product to assess effects of enclosure height (and material whether metal or plastic).

BT860 Datasheet Embedded Wireless Solutions Support Center: http://ews-support.lairdtech.com www.lairdtech.com/bluetooth 25 © Copyright 2017 Laird. All Rights Reserved Americas: +1-800-492-2320 Europe: +44-1628-858-940 Hong Kong: +852 2923 0610 12 APPLICATION NOTE FOR SURFACE MOUNT MODULES 12.1. Introduction Laird surface mount modules are designed to conform to all major manufacturing guidelines. This application note is intended to provide additional guidance beyond the information that is presented in the user manual. This application note is considered a living document and is updated as new information is presented. The modules are designed to meet the needs of a number of commercial and industrial applications. They are easy to manufacture and they conform to current automated manufacturing processes. 12.2. Shipping 12.2.1. Tray Package Modules are shipped in ESD (Electrostatic Discharge) safe trays that can be loaded into most manufacturers pick and place machines. Layouts of the trays are provided in Figure 16. Figure 16: Shipping tray layout 12.2.2. Tape and Reel Package Information Note: Ordering information for Tape and Reel packaging is an addition of T/R to the end of the full module part number. For example, BT860 becomes BT860-Sx-xx-T/R.

BT860 Datasheet Embedded Wireless Solutions Support Center: http://ews-support.lairdtech.com www.lairdtech.com/bluetooth 26 © Copyright 2017 Laird. All Rights Reserved Americas: +1-800-492-2320 Europe: +44-1628-858-940 Hong Kong: +852 2923 0610 Figure 17: Reel specifications Figure 18: Tape specifications There are 2500 BT860 modules taped in a reel (and packaged in a pizza box) and five boxes per carton (12,500 modules per carton). Reel, boxes, and carton are labeled with the appropriate labels. See Figure 19.

BT860 Datasheet Embedded Wireless Solutions Support Center: http://ews-support.lairdtech.com www.lairdtech.com/bluetooth 27 © Copyright 2017 Laird. All Rights Reserved Americas: +1-800-492-2320 Europe: +44-1628-858-940 Hong Kong: +852 2923 0610 12.2.3. Packaging Process Figure 19: BT860 packaging process 12.3. Reflow Parameters Laird surface mount modules are designed to be easily manufactured, including reflow soldering to a PCB. Ultimately it is the responsibility of the customer to choose the appropriate solder paste and to ensure oven temperatures during reflow meet the requirements of the solder paste. Laird’s surface mount modules conform to J-STD-020D1 standards for reflow temperatures. Important: During reflow, modules should not be above 260° and not for more than 30 seconds. Figure 20: Recommended reflow temperature

BT860 Datasheet Embedded Wireless Solutions Support Center: http://ews-support.lairdtech.com www.lairdtech.com/bluetooth 28 © Copyright 2017 Laird. All Rights Reserved Americas: +1-800-492-2320 Europe: +44-1628-858-940 Hong Kong: +852 2923 0610 Temperatures should not exceed the minimums or maximums presented in Table 20. Table 20: Recommended maximum and minimum temperatures Specification Value Unit Temperature Inc./Dec. Rate (max) 1~3 °C / Sec Temperature Decrease rate (goal) 2-4 °C / Sec Soak Temp Increase rate (goal) .5 - 1 °C / Sec Flux Soak Period (Min) 70 Sec Flux Soak Period (Max) 120 Sec Flux Soak Temp (Min) 150 °C Flux Soak Temp (max) 190 °C Time Above Liquidous (max) 70 Sec Time Above Liquidous (min) 50 Sec Time In Target Reflow Range (goal) 30 Sec Time At Absolute Peak (max) 5 Sec Liquidous Temperature (SAC305) 218 °C Lower Target Reflow Temperature 240 °C Upper Target Reflow Temperature 250 °C Absolute Peak Temperature 260 °C 13 JAPAN (MIC) REGULATORY The BT800 is approved for use in the Japanese market. The part numbers listed below hold WW type certification. Refer to ARIB-STD-T66 for further guidance on OEM’s responsibilities. Model Product Name Description Certificate Number BT860-SA BT860-ST BT v4.2 Dual Mode UART HCI Module Mounted with chipset antenna 201-170971 13.1. Antenna Information The BT800 was tested with antennas listed below. The OEM can choose a different manufacturers antenna but must make sure it is of same type and that the gain is lesser than or equal to the antenna that is approved for use. Item Part Number Mfg. Type Gain (dBi) 1 AT3216-B2R7HAA ACX Ceramic 0.5 2 001-0030 mFlexPIFA LAIRD PIFA 2 3 001-0014 FlexPIFA LAIRD PIFA 2 4 0600-00040 LAIRD Dipole 2 5 NanoBlue MAF94045 LAIRD PCB Dipole 2

BT860 Datasheet Embedded Wireless Solutions Support Center: http://ews-support.lairdtech.com www.lairdtech.com/bluetooth 29 © Copyright 2017 Laird. All Rights Reserved Americas: +1-800-492-2320 Europe: +44-1628-858-940 Hong Kong: +852 2923 0610 14 FCC REGULATORY Model US/FCC CANADA/IC BT860-SA SQGBT850 BT860-ST SQGBT850 DVK-BT860-SA DVK-BT860-ST The BT85x family has been designed to operate with the antenna listed below having a maximum gain of 0.5 dBi. The required antenna impedance is 50 ohms. Item Part Number Mfg. Type Gain (dBi) 1 AT3216-B2R7HAA ACX Ceramic 0.5 2 001-0030 mFlexPIFA LAIRD PIFA 2 3 001-0014 FlexPIFA LAIRD PIFA 2 4 0600-00040 LAIRD Dipole 2 5 NanoBlue MAF94045 LAIRD PCB Dipole 2 14.1. Documentation Requirements To ensure regulatory compliance, when integrating the BT860 into a host device, it is necessary to meet the documentation requirements set forth by the applicable regulatory agencies. The following sections (FCC, Industry Canada, and European Union) outline the information that may be included in the user’s guide and external labels for the host devices into which the BT860 is integrated. IMPORTANT: If the conditions above cannot be met (for example certain device configurations or co-location with another transmitter), then the FCC authorization is no longer considered valid and the FCC ID cannot be used on the final product. In these circumstances, the OEM integrator will be responsible for re-evaluating the end product (including the transmitter) and obtaining a separate FCC authorization. When using Laird’s FCC grant for the BT860, the integrator must include specific information in the user’s guide for the device into which the BT860 is integrated. The integrator must not provide information to the end user regarding how to install or remove this RF module in the user’s manual of the device into which the BT860 is integrated. The following FCC statements must be added in their entirety and without modification into a prominent place in the user’s guide for the device into which the BT860 is integrated: IMPORTANT NOTE: To comply with FCC requirements, the BT860 must not be co-located or operating in conjunction with any other antenna or transmitter. This device is intended only for OEM integrators under the following conditions:  The transmitter module may not be co-located with any other transmitter or antenna, If the condition above is met, further transmitter test will not be required. However, the OEM integrator is still responsible for testing their end-product for any additional compliance requirements required with this module installed

BT860 Datasheet Embedded Wireless Solutions Support Center: http://ews-support.lairdtech.com www.lairdtech.com/bluetooth 30 © Copyright 2017 Laird. All Rights Reserved Americas: +1-800-492-2320 Europe: +44-1628-858-940 Hong Kong: +852 2923 0610 Important Note: If these conditions cannot be met (for example, certain laptop configurations or co-location with another transmitter), then the FCC authorization is no longer considered valid and the FCC ID cannot be used on the final product. In these circumstances, the OEM integrator will be responsible for re-evaluating the end product (including the transmitter) and obtaining a separate FCC authorization. End Product Labeling The final end product must be labeled in a visible area with the following: Contains FCC ID: SQGBT850. Manual Information to the End User The OEM integrator must be aware to not provide information to the end user regarding how to install or remove this RF module in the user’s manual of the end product which integrates this module. The end user manual shall include all required regulatory information/warning as show in this manual. Federal Communication Commission Interference Statement This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one of the following measures:  Reorient or relocate the receiving antenna.  Increase the separation between the equipment and receiver.  Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.  Consult the dealer or an experienced radio/TV technician for help. FCC Caution: Any changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate this equipment. This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation. IMPORTANT NOTE: FCC Radiation Exposure Statement: This equipment complies with the US portable RF exposure limit set forth for an uncontrolled environment and are safe for intended operation as described in this manual. The further RF exposure reduction can be achieved if the product can be kept as far as possible from the user body or set the device to lower output power if such function is available. This transmitter must not be co-located or operating in conjunction with any other antenna or transmitter.

BT860 Datasheet Embedded Wireless Solutions Support Center: http://ews-support.lairdtech.com www.lairdtech.com/bluetooth 31 © Copyright 2017 Laird. All Rights Reserved Americas: +1-800-492-2320 Europe: +44-1628-858-940 Hong Kong: +852 2923 0610 15 INDUSTRY CANADA REGULATORY This device complies with Industry Canada’s license-exempt RSSs. Operation is subject to the following two conditions: 1. This device may not cause interference; and 2. This device must accept any interference, including interference that may cause undesired operation of the device. Le présent appareil est conforme aux CNR d’Industrie Canada applicables aux appareils radio exempts de licence. L’exploitation est autorisée aux deux conditions suivantes: 1. l’appareil ne doit pas produire de brouillage; 2. l’appareil doit accepter tout brouillage radioélectrique subi, même si le brouillage est susceptible d’en compromettre le fonctionnement. Radiation Exposure Statement: The product complies with the Canada portable RF exposure limit set forth for an uncontrolled environment and are safe for intended operation as described in this manual. The further RF exposure reduction can be achieved if the product can be kept as far as possible from the user body or set the device to lower output power if such function is available. Déclaration d'exposition aux radiations: Le produit est conforme aux limites d'exposition pour les appareils portables RF pour les Etats-Unis et le Canada établies pour un environnement non contrôlé. Le produit est sûr pour un fonctionnement tel que décrit dans ce manuel. La réduction aux expositions RF peut être augmentée si l'appareil peut être conservé aussi loin que possible du corps de l'utilisateur ou que le dispositif est réglé sur la puissance de sortie la plus faible si une telle fonction est disponible. This device is intended only for OEM integrators under the following conditions:  The transmitter module may not be co-located with any other transmitter or antenna. If the condition above is met, further transmitter test will not be required. However, the OEM integrator is still responsible for testing their end-product for any additional compliance requirements required with this module installed. Cet appareil est conçu uniquement pour les intégrateurs OEM dans les conditions suivantes:  Le module émetteur peut ne pas être coïmplanté avec un autre émetteur ou antenne. Tant que les 1 condition ci-dessus sont remplies, des essais supplémentaires sur l'émetteur ne seront pas nécessaires. Toutefois, l'intégrateur OEM est toujours responsable des essais sur son produit final pour toutes exigences de conformité supplémentaires requis pour ce module installé. IMPORTANT NOTE: If these conditions cannot be met (for example, certain laptop configurations or co-location with another transmitter), then the Canada authorization is no longer considered valid and the IC ID cannot be used on the final product. In these circumstances, the OEM integrator will be responsible for re-evaluating the end product (including the transmitter) and obtaining a separate Canada authorization.

BT860 Datasheet Embedded Wireless Solutions Support Center: http://ews-support.lairdtech.com www.lairdtech.com/bluetooth 32 © Copyright 2017 Laird. All Rights Reserved Americas: +1-800-492-2320 Europe: +44-1628-858-940 Hong Kong: +852 2923 0610 NOTE IMPORTANTE: Dans le cas où ces conditions ne peuvent être satisfaites (par exemple pour certaines configurations d'ordinateur portable ou de certaines co-localisation avec un autre émetteur), l'autorisation du Canada n'est plus considéré comme valide et l'ID IC ne peut pas être utilisé sur le produit final. Dans ces circonstances, l'intégrateur OEM sera chargé de réévaluer le produit final (y compris l'émetteur) et l'obtention d'une autorisation distincte au Canada. End Product Labeling The final end product must be labeled in a visible area with the following: “Contains IC: 3147A-BT850”. Plaque signalétique du produit final Le produit final doit être étiqueté dans un endroit visible avec l'inscription suivante: "Contient des IC: 3147A-BT850". Manual Information to the End User The OEM integrator must be aware not to provide information to the end user regarding how to install or remove this RF module in the user’s manual of the end product which integrates this module. The end user manual shall include all required regulatory information/warning as show in this manual. Manuel d'information à l'utilisateur final L'intégrateur OEM doit être conscient de ne pas fournir des informations à l'utilisateur final quant à la façon d'installer ou de supprimer ce module RF dans le manuel de l'utilisateur du produit final qui intègre ce module. Le manuel de l'utilisateur final doit inclure toutes les informations réglementaires requises et avertissements comme indiqué dans ce manuel. This radio transmitter (IC: 3147A-BT850) has been approved by Industry Canada to operate with the antenna types listed below with the maximum permissible gain indicated. Antenna types not included in this list, having a gain greater than the maximum gain indicated for that type, are strictly prohibited for use with this device. Le présent émetteur radio (IC: 3147A-BT850) a été approuvé par Industrie Canada pour fonctionner avec les types d'antenne énumérés cidessous et ayant un gain admissible maximal. Les types d'antenne non inclus dans cette liste, et dont le gain est supérieur au gain maximal indiqué, sont strictement interdits pour l'exploitation de l'émetteur. 16 EUROPEAN UNION REGULATORY The BT800 has been tested for compliance with relevant standards for the EU market. BT800 module was tested with a 0.5 dBi chip antenna. The OEM should consult with a qualified test house before entering their device into an EU member country to make sure all regulatory requirements have been met for their complete device. Reference the Declaration of Conformities listed below for a full list of the standards that the modules were tested to. Test reports are available upon request.

BT860 Datasheet Embedded Wireless Solutions Support Center: http://ews-support.lairdtech.com www.lairdtech.com/bluetooth 33 © Copyright 2017 Laird. All Rights Reserved Americas: +1-800-492-2320 Europe: +44-1628-858-940 Hong Kong: +852 2923 0610 16.1. EU Declarations of Conformity Manufacturer Laird Products BT860-SA and BT860-ST Product Description Bluetooth v4.2 Class 1 UART HCI EU Directives 2014/53/EU – Radio Equipment Directive (RED) Reference standards used for presumption of conformity: Article Number Requirement Reference standard(s) 3.1a Low voltage equipment safety EN 60950-1:2006 +A11:2009 +A1:2010 +A12:2011 +A2:2013 RF Exposure EN 62311:2008 EN 62479:2010 3.1b Protection requirements with respect to electromagnetic compatibility EN 301 489-1 v2.2.0 (2017-03) EN 301 489-17 v3.2.0 (2017-03) 3.2 Means of the efficient use of the radio frequency spectrum EN 300 328 v2.1.1 (2016-11) Declaration: We, Laird, declare under our sole responsibility that the essential radio test suites have been carried out and that the above product to which this declaration relates is in conformity with all the applicable essential requirements of Article 3 of the EU Directive 1999/5/EC, when used for its intended purpose. Place of Issue: Laird W66N220 Commerce Court, Cedarburg, WI 53012 USA tel: +1-262-375-4400 fax: +1-262-364-2649 Date of Issue: May 2017 Name of Authorized Person: Thomas T Smith, Director of EMC Compliance Signature of Authorized Person: 17 ORDERING INFORMATION Part Number Description BT860-SA BTv4.2 Dual Mode UART HCI Module with integrated Antenna BT860-ST BTv4.2 Dual Mode UART HCI Module – Trace Pin DVK-BT860 Development Kit for BT860 Module 17.1. General Comments This is a preliminary datasheet. Please check with Laird for the latest information before commencing a design. If in doubt, ask.

BT860 Datasheet Embedded Wireless Solutions Support Center: http://ews-support.lairdtech.com www.lairdtech.com/bluetooth 35 © Copyright 2017 Laird. All Rights Reserved Americas: +1-800-492-2320 Europe: +44-1628-858-940 Hong Kong: +852 2923 0610 For a detailed procedure of how to obtain a new Declaration ID for your design, please refer to the following SIG document: https://www.bluetooth.org/DocMan/handlers/DownloadDoc.ashx?doc_id=283698&vId=317486 To start the listing, go to: https://www.bluetooth.org/tpg/QLI_SDoc.cfm. In step 1, select the option, Reference a Qualified Design and enter the Declaration IDs of each subsystem used in the End Product design. You can then select your pre-paid Declaration ID from the drop down menu or go to the Purchase Declaration ID page, (please note that unless the Declaration ID is pre-paid or purchased with a credit card, it will not be possible to proceed until the SIG invoice is paid. Once all the relevant sections of step 1 are finished, complete steps 2, 3, and 4 as described in the help document. Your new Design will be listed on the SIG website and you can print your Certificate and DoC. For further information please refer to the following training material: https://www.bluetooth.org/en-us/test-qualification/qualification-overview/listing-process-updates 19 ADDITIONAL ASSISTANCE Please contact your local sales representative or our support team for further assistance: Laird Technologies Connectivity Products Business Unit Support Centre: http://ews-support.lairdtech.com Email: wireless.support@lairdtech.com Phone: Americas: +1-800-492-2320 Europe: +44-1628-858-940 Hong Kong: +852 2923 0610 Web: http://www.lairdtech.com/bluetooth © Copyright 2017 Laird. All Rights Reserved. Patent pending. Any information furnished by Laird and its agents is believed to be accurate and reliable. All specifications are subject to change without notice. Responsibility for the use and application of Laird materials or products rests with the end user since Laird and its agents cannot be aware of all potential uses. Laird makes no warranties as to non-infringement nor as to the fitness, merchantability, or sustainability of any Laird materials or products for any specific or general uses. Laird, Laird Technologies, Inc., or any of its affiliates or agents shall not be liable for incidental or consequential damages of any kind. All Laird products are sold pursuant to the Laird Terms and Conditions of Sale in effect from time to time, a copy of which will be furnished upon request. When used as a tradename herein, Laird means Laird PLC or one or more subsidiaries of Laird PLC. Laird™, Laird Technologies™, corresponding logos, and other marks are trademarks or registered trademarks of Laird. Other marks may be the property of third parties. Nothing herein provides a license under any Laird or any third party intellectual property right.