Inventek Systems 903 2.4 GHz wireless WiFi module User Manual

Inventek Systems 2.4 GHz wireless WiFi module

User Manual

  ISM43903-R48-L54-EProduct Specification DOC-DS-20088-2.4     Inventek Systems   Page 1                 INVENTEK SYSTEMS ISM43903-R48-L54 eS-WiFi™ (embedded Serial-to-WiFi),  802.11 b/g/n + embedded CortexR4 + Certified Antenna Module Data Sheet
  ISM43903-R48-L54-EProduct Specification DOC-DS-20088-2.4     Inventek Systems   Page 2  Table of Contents  1 GENERAL DESCRIPTION ................................................................................................... 3 2 PART NUMBER DETAIL DESCRIPTION .......................................................................... 5 2.1 Ordering Information ...................................................................................................... 5 3 CERTIFICATIONS ................................................................................................................ 6 3.1 Limitations ...................................................................................................................... 6 3.2 Regulatory Compliance .................................................................................................. 6 3.3 FCC and IC User’s Manual Statements: ......................................................................... 6 4 COMPLEMENTARY DOCUMENTATION ........................................................................ 9 4.1 Inventek Systems ............................................................................................................ 9 5 SPECIFICATIONS ................................................................................................................. 9 5.1 Block Diagram ................................................................................................................ 9 5.2 External Antenna Connections ..................................................................................... 10 5.3 Mechanical Specifications ............................................................................................ 10 5.4 Environmental Specifications ....................................................................................... 10 6 HARDWARE ELECTRICAL SPECIFICATIONS ............................................................. 11 6.1 Recommended Operating Ratings ................................................................................ 11 6.2 Power Consumption ...................................................................................................... 11 7 PIN DESCRIPTION ............................................................................................................. 12 7.1 +10 Pins ........................................................................................................................ 13 8 FIRMWARE UPGRADES DURING DEVELOPMENT .................................................... 13 9 SERIAL HOST INTERFACES AVAILABLE .................................................................... 13 9.1 UART ............................................................................................................................ 14 9.1.1 Data Mode ................................................................................................................. 14 9.1.2 Flow Control ............................................................................................................. 14 9.1.3 Supported Baud Rates ............................................................................................... 14 9.1.4 Default Serial Configuration ..................................................................................... 14 9.2 GPIO ............................................................................................................................. 15 10 Wi-Fi RF SPECIFICATION................................................................................................. 15 10.1 RF Specification............................................................................................................ 15 11 ANTENNA ........................................................................................................................... 16 11.1 External Antenna .......................................................................................................... 16 11.2 Mechanical Specifications ............................................................................................ 17 12 ISM43903-R48-L54 FOOTPRINT ....................................................................................... 18 12.1 ISM43903-R48-L54 eS-WiFi Module’s Dimensions top view (mm) .......................... 18 13 PRODUCT COMPLIANCE CONSIDERATIONS ............................................................. 19 14 REFLOW PROFILE ............................................................................................................. 19 15 PACKING INFORMATION ................................................................................................ 20 15.1 MSL Level / Storage Condition .................................................................................... 20 15.2 Device baking requirements prior to assembly ............................................................. 20 16 TEMP. RATING ................................................................................................................... 21 17 REVISION CONTROL ........................................................................................................ 21 18 CONTACT INFORMATION ............................................................................................... 22
  ISM43903-R48-L54-EProduct Specification DOC-DS-20088-2.4     Inventek Systems   Page 3  1  GENERAL DESCRIPTION  The InventekISM43903-R48-L54 is an embedded Serial WiFi (eS-WiFi), wireless internet connectivity module that operates in the 2.4 GHz spectrum.  The eS-WiFimodule’s hardware consists of anARM Cortex-based applications processor, a single stream IEEE 802.11n MAC/baseband/radio, a power amplifier (PA), and a receive low-noise amplifier (LNA). TheeS-WiFimodule has two antenna options, an on board PCB etched antenna or an U.FLconnector for external 2.4GHz antenna.     The  eS-WiFimodule  provides  a  UARTinterface  enabling  connection  to  an  embedded design.  The  eS-WiFimodule  requires  no  operating  system  and  has  a  completely integrated TCP/IP Stack.TheeS-WiFi module hardware can be used with Inventek’sIWIN (Inventek  Wireless  Interoperability  Network),IWINAT  Command  set  or  with  Cypress’ WICEDTM SDK4.x or later.  Inventek’s IWIN, AT command set, allows you to quickly establish connectivity for your wireless  product,  minimizing  development  time,  testing  routines  and  certification.  The low  cost,  small  foot  print  (14.5mmx30  mm)and  ease  of  design-in  make  it  ideal  for  a range of embedded applications.  Hardware Features:   ARM Cortex-R4 clocked at 160 MHz (in 1× mode) or up to 320 MHz (in 2× mode).  1 MB of SRAM and 640 KB ROM available for the applications processor.   One high-speed 4-wire UART interface with operation up to 4 Mbps.    Two low-speed 2-wire UART interfaces multiplexed on general purpose I/O (GPIO) pins.  Two dedicated BSC1 interfaces.  Two SPI master/slave interfaces with operation up to 24 MHz  U.FL Connector for external 2.4 GHz Antenna  Configurable usingIWINAT commands.   Host interface: UART  44-Pin and L44+10 Land Grid Array Footprint  14.5mm x 30mm x 2.5 mm  17 GPIO’s  Input Voltage: 3.3 V  Low power operationwith built-in low power modes.   Proven Interoperability … Connects with other vendor’s a/b/g/n Access Points in the Wireless LAN.
  ISM43903-R48-L54-EProduct Specification DOC-DS-20088-2.4     Inventek Systems   Page 4   Firmware Features:  IWIN AT command Set/ API’s for any External Host (UART)   Hardware Supported by Cypress WICEDTM SDK 3.5.2 or later.   Secure Wi-Fi authentication WEP-128, WPA-PSK (TKIP), WPA2-PSK.   Fully contained TCP/IP stack minimizing host CPU requirements.   Network features:   ICMP (Ping), ARP, DHCP,TCP, UDP.     SSL3.0/TLS1.0/1.1/1.2 Security Library.   Several Cloud Agents supported   Configuration Webpage for Connecting to Networks   Support for Web Service API for iOS and Android that allows easy connection with no web browser required.   AP Auto-Channel Selection Algorithm in Congested and Overlapping Signal Environments   Wi-Fi Protected Setup  (WPS) Support   SoftAP and Client Modes – Simultaneous Support   Support for up to Four Simultaneous Sockets   Supports up to 3 Connected Clients in SoftAP Mode   Domain Name System –DNS Support   mDNS Multicast Support   Bootloader for the eS-WiFiModule Updates Typical Applications:  PDA, Pocket PC, computing devices.  Building automation and smart energy control.   Industrial sensing and remote equipment monitoring.   Warehousing, logistics and freight management.  PC and gaming peripherals.  Printers, scanners, alarm and video systems.  Medical applications including patient monitoring and remote diagnostics.
  ISM43903-R48-L54-EProduct Specification DOC-DS-20088-2.4     Inventek Systems   Page 5   2  PART NUMBER DETAIL DESCRIPTION 2.1  Ordering Information ISM43903-R48-L54-XX- I.I.I-C.Z.Z.Z.Z                IWIN AT Command SW Version               C and4-digitsw version number: z.z.z.z                Interface:               Blank = UART               SPI = SPI   Antenna: E = Dual Band (2.4GHz) Etched Antenna                                                                                     U = U.FL External Antenna                                                                                    [BotheS-WiFi options are FCC/CE/IE certified].     Additional GPIO’s:                                                                                     Blank = No Additional GPIO pins                                                                                     10 = Additional GPIO(WICED not IWIN)   Evaluation Boards eS-WiFi-43903 EVB Inventek eS-WiFi (embedded Serial Wi-Fi), Evaluation Board, USB cable, with ISM43903-R48-L54 module.    USB Com. Port (UART) & JTAG   USB to eS-WiFi ISM43903-R48-L54 eS-WiFimodule. Evaluation Board ISMART-43903 EVB  Inventek ISMART (Inventek Systems Module ARduino Test), EVB with ISM43903-R48-L54 module.   USB Com. Port (UART) & JTAG  ISM43903-R48-L54 eS-WiFimodule. Evaluation Board
 DOC-DS-20088-2.4   3  CERTIFICATIONS 3.1  Limitations  Inventek Systems products are not authorized for use in safety(such as life support) where a failure of the Inventek reasonably be expected to cause severe personal injury or death. 3.2 Regulatory Compliance CE   RegulatorFCC IC RoHS  3.3  FCC and IC User’s Manual Statements: OEM INSTRUCTIONS:  This eS-WiFimodule is limited to OEM installation only. OEM integrators must ensure that the endinstall the eS-WiFimodule. OEM’s must comply with FCC marking regulation part 15 declaration of conformity (Section 2.925(e)). This eS-WiFimodule is to be installed only in mobile or fixed applications (Please refer to FCC CFR 47 Part 2.1091(b) for a definition of mobile and fixed devices). Separate approval is required for all other operating configurations, including portable configurations with respect to FCC CFR 47 Part 2.1093, and different antenna configurations.   The antennas used with this eSdistance of at least 20cm from all persons, and must not be cosimultaneously with any other antenna or transmitter, except in accordance with FCC multi transmitter product procedures.  ISM43903-R48-L54-EProduct Specification  Inventek Systems Page 6  Inventek Systems products are not authorized for use in safety-critical applications (such as life support) where a failure of the Inventek Systems product would reasonably be expected to cause severe personal injury or death. Regulatory Compliance Regulator Status  O7P-903  10147A-903 RoHS  Compliant User’s Manual Statements: is limited to OEM installation only. OEM integrators must ensure that the end-user has no manual instructions tOEM’s must comply with FCC marking regulation part 15 declaration of conformity (Section 2.925(e)). module is to be installed only in mobile or fixed applications (Please refer to FCC CFR 47 Part 2.1091(b) for a definition of mobile and fixed devices).Separate approval is required for all other operating configurations, including portable igurations with respect to FCC CFR 47 Part 2.1093, and different antenna eS-WiFimodule must be installed to provide a separation distance of at least 20cm from all persons, and must not be co-located or transmisimultaneously with any other antenna or transmitter, except in accordance with FCC multi transmitter product procedures.  Product Specification Inventek Systems critical applications Systems product would user has no manual instructions to remove or OEM’s must comply with FCC marking regulation part 15 module is to be installed only in mobile or fixed applications (Please refer to FCC CFR 47 Part 2.1091(b) for a definition of mobile and fixed devices). Separate approval is required for all other operating configurations, including portable igurations with respect to FCC CFR 47 Part 2.1093, and different antenna module must be installed to provide a separation located or transmit simultaneously with any other antenna or transmitter, except in accordance with FCC
  ISM43903-R48-L54-EProduct Specification DOC-DS-20088-2.4     Inventek Systems   Page 7  The ISM43903-R48-L54 eS-WiFiModule has been designed to operate with the following antennas and gains.  Use with other antenna types or with these antenna types at higher gains is strictly prohibited.  1. Trace Antenna, Cypress – PCB Trace, 0.0 dbi Gain  2. Single-Band Dipole, W24P-U, U.FL, +3.2 dbi Gain 3. Dual-Band Dipole, W2.4-5P-U, U.FL, +2.6 dbi Gain   Warning: changes or modifications not expressly approved by the party responsible for compliance could void the user’s authority to operate this equipment.  A clearly visible label is required on the outside of the user’s (OEM) enclosure stat the following text:  Contains FCC ID: O7P-903 Contains IC: 10147A-903  This transmitter module has been certified for FCC Part 15 operation; when installed in a host device, the host manufacturer is responsible for making sure that the host device with the transmitter installed continues to be compliant with Part 15B unintentional radiator requirements.  Industry Canada User’s Manual Statements:
  ISM43903-R48-L54-EProduct Specification DOC-DS-20088-2.4     Inventek Systems   Page 8 IC RSS-210/RSS-Gen Notices-  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 this device.  L’opѐration est soumise aux deux conditions suivantes: (1) cet appareil ne peut pas provoquer d’interfѐrences et (2) cet apparial doit accepter toute interfѐrence, y compris les interfѐrences qui peuvent causer un mauvis fonctionment de l’appareil.  Under Industry Canada regulations, this radio transmitter may only operate using an antenna of a type and maximum (or lesser) gain approved for the transmitter by Industry Canada.  To reduce potential radio interference to other users, the antenna type and its gain should be so chosen that the equivalent isotropically radiated power (e.i.r.p.) is not more than that necessary for successful communication.  Sous la rѐglementation d’Industrie Canada, ce transmetteur radio ne peut fonctionner en utilisant une antenne d’un type et un maximum (ou moins) gain approuvѐes pour l’ѐmetteur par Industrie Canada. Pour rѐduire le risqué d’interference aux autres utilisateures, le type d’antenne et son gain doivent être choisis de maniѐre que la puissance isotrpe rayonnѐe ѐquivalente (PIRE) ne dѐpasse pas ce qui est nѐcessaire pour une communication rѐussie.  The radio transmitter has been approved by Industry Canada to operate with the antenna types listed above with the maximum permissible gain and required antenna impedance for each antenna type 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.  Cet ѐmetteur de radio a ѐtѐ approuvѐ par Industrie Canada pour fonctionner avec les types d’antennes ѐnumѐrѐes ci-dessus avec le gain maximal admissible et impѐdance d’antenna requise pour chaque type d’antenne indiquѐ. Types d’antennes ne figurant pas dans cette liste, ayant un gain supѐrieur au gain maximum indiquѐ pour ce type, sont strictement interdites pour l’utilisation avec cet appareil.
  ISM43903-R48-L54-EProduct Specification DOC-DS-20088-2.4     Inventek Systems   Page 9 4  COMPLEMENTARY DOCUMENTATION 4.1  Inventek Systems   Evaluation Board Documentation: http://www.inventeksys.com/products-page/wifi-modules/serial-wifi/ism43903-r48-l54/ o ISM43903-R48-L54 Data Sheet o eS-WiFi EVB Quick Start Guide o eS-WiFi EVB User’s Manual o eS-WiFi EVB PC Demo software (includes EVB Drivers and Firmware) o eS-WiFi EVB Demo Software Help  IWINAT Command Set Documentation o IWINAT Command Set User’s Manual o IWINAT Command Set Quick Reference Guide o IWIN AT Command Sample Scripts Firmware  OrCAD Schematic Symbol  PADS Land Pattern  FCC Test Report  5  SPECIFICATIONS 5.1  Block Diagram    \Figure 1Inventek’s General Block Diagram
  ISM43903-R48-L54-EProduct Specification DOC-DS-20088-2.4     Inventek Systems   Page 10   5.2  External Antenna Connections  ISM43903-R48-L54-UeS-WiFimodule is designed for use with an externalantenna via a connection using the U.FL connector. Item  Description Connector  U.FL series Manufacturer  I-PEX Co., Ltd. Part No.  20279-001E-01 Height  1.25 mm Width  2 mm DC  3.0 – 5.0 V Table 1On-Board Antenna Connector 5.3  Mechanical Specifications The Physical dimensions of this eS-WiFi Module are as follow:   Items Description  ISM43903-R48-L54  Length  30 mm  (-/+0.5 mm) Width  14.5 mm (-/+0.5 mm)  Height  2.5 ± 0.2 mm  Package  44 pin LGA+10 pin  5.4  Environmental Specifications  Item Description Operating temperature range  -40 deg. C to +85 deg. C Storage temperature range  -40 deg. C to +85 deg. C Humidity  95% max non-condensing  Note 1: The ISM43903-R48-L54 supports a functional operating range of -40°C to +85°C. However the optimal RF performance specified in this data sheet is only guaranteed for temperatures from -10°C to +65°C
  ISM43903-R48-L54-EProduct Specification DOC-DS-20088-2.4     Inventek Systems   Page 11     6  HARDWARE ELECTRICAL SPECIFICATIONS   6.1  Recommended Operating Ratings  Symbol Min. Typ. Max. Unit. VIO  1.8  3.3  3.6  V VBAT  3.0  3.3  4.8  V  Note:   If a separate VBAT supply is not being used, then connect VBAT and VIO together.  Please place a 10-15uF Bulk CAP as close to the module as possible to VBAT  6.2  Power Consumption     Note: [1] Wi-Fi On, and connected to a network: Max 120 mA (500 mA burst of less than 5 ms) .   Mode Description Typical Max Unit Radio Off   Powered      mA Radio On  Not Connected to Network      mA Radio On  Connected to Network      mA Power Save Mode  Connected to Network      mA Absolute Max  Worst Case      mA
  ISM43903-R48-L54-EProduct Specification DOC-DS-20088-2.4     Inventek Systems   Page 12 7  PINDESCRIPTION Pin No. Type Pin Definition  Descriptions 1  G  GND  Ground 2  I  VDD  3.3V 3  G  GND  Ground 4  I/O  TMS  JTAG 5  I/O TCK  JTAG 6  I/O TDI  JTAG 7  I/O TD0  JTAG 8  I/O TDRSTN  JTAG 9  I/O SPI_MOSI  SPI 10  I/O SPI_MISO  SPI 11  I/O SPI_SCK  SPI 12  I/O SPI_SSN  SPI 13  I/O SPI_DATARDY  SPI 14  I  VDD  3.3V 15  I  VBAT  3.3V  16  I  Wakeup  HIB_WAKEUP 17  G  GND  Ground 18  O  UART0_RTS  UART0 19  I  UART0_CTS  UART0 20  G  GND  Ground 21  I  UART0_RX  UART0 22  I/O  UART0_TX  UART0 23  I/O GPIO 0  BCM_GPIO0 24  I/O GPIO 1  BCM_GPIO1 25  I/O GPIO 2  BCM_GPIO9 26*  I/O GPIO 3  Reserved, NC 27  I/O  GPIO 4  BCM_GPIO10 28  I/O  CFG 0  BCM_RF_SW_CTRL_7 29  I/O  CFG 1  BCM_RF_SW_CTRL_6 30  I/O  GPIO 13  BCM_GPIO14 31  I/O  GPIO 14  BCM_GPIO12  *NOTE: Any migration from an earlier eS-WiFi module to the ISM43903 will not be able    to use GPIO 3   Pin No. Type Pin Definition  Descriptions 32  I/O GPIO 15  BCM_GPIO13
  ISM43903-R48-L54-EProduct Specification DOC-DS-20088-2.4     Inventek Systems   Page 13 33  I/O Boot Zero  BCM_GPIO15 34  I  RSTN  Reset  35  G  GND  Ground 36  G  GND  Ground 37  G  GND  Ground 38  G  GND  Ground 39  G  GND  Ground 40  G  GND  Ground 41  G  GND  Ground 42  G  GND  Ground 43  G  GND  Ground 44  G  GND  Ground 7.1  +10 Pins  Pin No. Type Pin Definition  Descriptions 45  I/O  GPIO A  Alternate Function: BCM_GPIO16 46  I/O  GPIO B  Alternate Function: BCM_GPIO11 47  -   NC   48  I/O GPIO D  Alternate Function: BCM_RF_SW_CTL_8 49  I/O GPIO E  Alternate Function: BCM_RF_SW_CTL_9 50  - NC   51  - NC   52  I/O  GPIOH  Alternate Function: BCM_I2C_0_SCL 53  I/O  GPIO J  Alternate Function: BCM_I2C_0_SDA 54  -  NC    8  FIRMWARE UPGRADES DURING DEVELOPMENT We recommend using a JTAG 10 pin header or directly connecting to the JTAG pins on the eS-WiFimodule for updating.        9  SERIAL HOST INTERFACES AVAILABLE UART and SPI host interfaces are supported and unique firmware is required for each interface.  SPI host interface is under development, please contact Inventek Systems for more information.
  ISM43903-R48-L54-EProduct Specification DOC-DS-20088-2.4     Inventek Systems   Page 14 9.1  UART A high-speed 4-wire CTS/RTS UART interface is enabled as the host interface.It is compatible with the industry standard 16550 UART and provides a FIFO size of 64 × 8 in each direction.  9.1.1  Data Mode  When the eS-WiFi module is interfaced serially, the serial interface needs to be configured for 8 bit data, no parity, and one stop bit -- (8-n-1).  9.1.2  Flow Control  The eS-WiFi module and WICED do not require or support Flow Control, so Flow Control should not be implemented. 9.1.3  Supported Baud Rates  The eS-WiFi module uses USART0andthe following serial baud rates are supported: 1200, 2400, 4800, 9600, 19200, 38400, 57600, 115200, 230400, 460800, 921600, 1152000, 1382400, 1612800, 1834200, 2073600, 2304000, 2764800, 3686400, 3910800. Please note that higher baud read does not always correlate to higher throughput. 9.1.4  Default Serial Configuration  The eS-WiFi module is shipped with the default serial configuration of 115200 baud, 8 data bits, no party, and 1 stop bits.
  ISM43903-R48-L54-EProduct Specification DOC-DS-20088-2.4     Inventek Systems   Page 15  9.2  GPIO  There are 17 GPIO’s supported, each of the GPIO pins can be configured by theIWIN AT command set as Button, LED, Digital input or Digital output.    10 Wi-Fi RF SPECIFICATION 10.1 RF Specification Conditions: VDD=3.3V; VDDIO=3.3V; TEMP: 25°C  Feature Description WLANStandard  IEEE802.11b/g/n, Wi-Fi compliant FrequencyRange  2.400GHz~2.497 GHz(2.4GHzISMBand) Numberof Channels  Ch1~ Ch11 for US and Canada; Ch1~13 for EU Modulation  802.11 g/n:OFDM /64-QAM,16-QAM, QPSK, BPSK 802.11b:CCK,DQPSK,DBPSK   *OutputPower 802.11b /11Mbps : 17* dBm± 1.5 dB 802.11g /54Mbps:17* dBm ± 1.5 dB 802.11n /72Mbps:  16* dBm ± 1.5 dB      Receive Sensitivity (11n,20MHz) @10%PER -  MCS=0  PER @ -86 dBm, typical -  MCS=1  PER @ -85 dBm, typical -  MCS=2  PER @ -85 dBm, typical -  MCS=3  PER @ -84 dBm, typical -  MCS=4  PER @ -80 dBm, typical -  MCS=5  PER @ -78 dBm, typical -  MCS=6  PER @ -72 dBm, typical -  MCS=7  PER @ -69 dBm, typical       Receive Sensitivity (11g)@10% PER -  6Mbps  PER @ -89 dBm, typical -  9Mbps  PER @ -88 dBm, typical -  12Mbps  PER @ -88 dBm, typical -  18Mbps  PER @ -87 dBm, typical -  24Mbps  PER @ -83 dBm, typical -  36Mbps  PER @ -80 dBm, typical -  48Mbps  PER @ -75 dBm, typical -  54Mbps  PER @ -72 dBm, typical
 DOC-DS-20088-2.4     Receive Sensitivity (11b)@10% PER - - - - Data Rates 802.802.Data Rate (20MHz,LongGI,800ns) 802.Data Rate (20MHz,shortGI,400ns)  MaximumInputLevel 802.802.11 ANTENNA  11.1 External Antenna The Inventek U.FLPCB antennas certifiedof this type and maximum gain are permitted for use with this module:1. Trace Antenna, Cypress – PCB Trace, 0.0 dbi Gain 2. Single-Band Dipole, W24P-U, U.FL, +3.2 dbi Gain3. Dual-Band Dipole, W2.4-5P-U, U.FL, +2.6 db  ISM43903-R48-L54-EProduct Specification  Inventek Systems Page 16  1Mbps  PER @ -93 dBm, typical  2Mbps  PER @ -91 dBm, typical  5.5Mbps  PER @ -89 dBm, typical  11Mbps  PER @ -87 dBm, typical 802.11b:1,2,5.5,11Mbps 802.11g:6,9,12,18,24, 36, 48, 54Mbps 802.11n:6.5,13,19.5,26,39,52,58.5,65Mbps 802.11n:7.2,14.4,21.7,28.9,43.3,57.8,65,72.2Mb 802.11b :-10 dBm 802.11g :-10 dBm s certified for FCC, IC and CE are listed below.  Only Antennas of this type and maximum gain are permitted for use with this module: PCB Trace, 0.0 dbi Gain  U, U.FL, +3.2 dbi Gain U, U.FL, +2.6 dbi Gain  Product Specification Inventek Systems 9,43.3,57.8,65,72.2Mbps CE are listed below.  Only Antennas
  ISM43903-R48-L54-EProduct Specification DOC-DS-20088-2.4     Inventek Systems   Page 17 11.2 Mechanical Specifications      Figure 2:  Chip Antenna Keep out Area  ”Keep out” area should have the antenna hanging off the side of the PCB for best performance. If you do not hang the antenna off the PCB, remove ground planes and PCB material under the antenna (13.49 x 14.7 mm keep out area).  Surrounding metal should be 9 mm away from cutout area, metal will affect the antenna performance. The external antenna does not require “keep out” area.
  ISM43903-R48-L54-EProduct Specification DOC-DS-20088-2.4     Inventek Systems   Page 18 12 ISM43903-R48-L54 FOOTPRINT 12.1 ISM43903-R48-L54eS-WiFi Module’s Dimensions top view (mm)  The ISM43903-R48-L54 offers 10 extra GPIO pins (pins 45-54), see Figure 3.  The eS-WiFimodule is footprint compatible with our standard 44 pin LGA footprint, see Figure 4    .                    Figure 3eS-WiFiModule Dimensions- Top View 50   51   52   53   54 45 46  47  48  49 1 13 14 22 23 35 36 44
  ISM43903-R48-L54-EProduct Specification DOC-DS-20088-2.4     Inventek Systems   Page 19 13 PRODUCT COMPLIANCE CONSIDERATIONS  RoHS: Restriction of Hazardous Substances (RoHS) directive has come into force since 1st July 2006 all electronic products sold in the EU must be free of hazardous materials, such as lead. Inventek is fully committed to being one of the first to introduce lead-free products while maintaining backwards compatibility and focusing on a continuously high level of product and manufacturing quality.  EMI/EMC:  The  Inventek  eS-WiFimodule  design  embeds  EMI/EMC  suppression features  and  accommodations  to allow for  higher operational  reliability in noisier (RF) environments and easier integration compliance in host (OEM) applications.  FCC/IC/CE:  TheeS-WiFimodule has passed FCC/IC/CE compliance.  14 REFLOW PROFILE   Reference the IPC/JEDEC standard.  Peak Temperature:   <250°C  Number of Times:   ≤2 times
  ISM43903-R48-L54-EProduct Specification DOC-DS-20088-2.4     Inventek Systems   Page 20  15 PACKING INFORMATION  15.1 MSL Level / Storage Condition    15.2 Device baking requirements prior to assembly  Boards must be baked prior to rework or assembly to avoid damaging moisture sensitive components during localized reflow. The default bake cycles is 24 hours at 125C.  Maintaining proper control of moisture uptake in components is critical. Before opening the shipping bag and attempting solder reflow, you shouldmaintain a minimalout-of-bag time and ensure the highest possible package reliability for the final product.
  ISM43903-R48-L54-EProduct Specification DOC-DS-20088-2.4     Inventek Systems   Page 21  16 TEMP. RATING    NOTE: Functionality is guaranteed, but specifications require derating at extreme temperatures.    17 REVISION CONTROL  Document: ISM43903-R48-L54 eS-WiFimodule External Release  DOC-DS-   Date Author Revision Comment 3/14/2017 KMT 1.0 Preliminary Release 4/14/17 AS 1.1 Ordering P/N, EVBs, IWIN, eS-WiFi,  and Copyright 5/30/17                         AS 2.3 10-15uF Bulk Cap to VBAT 5/31/17                     AS            2.4       Temp. Profile 9/12/17 AS            2.5             GPIO Update          Symbol  Description MIN TYP MAX UNITTA         Temperature(ambient)                  -40 85 °CSymbol  Thermal Characteristic WLBGA  UnitƟJA   Thermal resistance, junction to ambient (0 m/s)                 31.72                   °C/WƟJB  Thermal resistance, junction to board                                   3.95                     °C/WƟJC Thermal resistance, junction to case                                      2.16                      °C/WψJTThermal characterization, junction to top of package       4.3 °C/WψJB   Thermal characterization, junction to top of package       9.28 °C/WTj                           Maximum Junction Temperature                                             113.9 °CPmax    Maximum power dissipation                                                     1.38 W
  ISM43903-R48-L54-EProduct Specification DOC-DS-20088-2.4     Inventek Systems   Page 22 18 CONTACT INFORMATION  Inventek Systems 2 Republic Road Billerica MA, 01862 Tel: 978-667-1962 Sales@inventeksys.com  www.inventeksys.com  Copyright 2017, Inventek Systems. All Rights Reserved. This software, associated documentation and materials ("Software"), referenced and provided with this documentation is owned by Inventek Systems and is protected by and subject to worldwide patent protection (United States and foreign), United States copyright laws and international treaty provisions. Therefore, you may use this Software only as provided in the license agreement accompanying the software package from which you obtained this Software   ("EULA"). If no EULA applies, Inventek Systems hereby grants you a personal, non-exclusive, non-transferable license to copy, modify, and compile the Software source code solely for use in connection with Inventek's integrated circuit products.   Any reproduction, modification, translation, compilation, or representation of this Software except as specified above is prohibited without the express written permission of Inventek. Disclaimer: THIS SOFTWARE IS PROVIDED AS-IS, WITH NO WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, NONINFRINGEMENT, IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.   Inventek reserves the right to make changes to the Software without notice. Inventek does not assume any liability arising out of the application or use of the Software or any product or circuit described in the Software. Inventek does not authorize its products for use in any products where a malfunction or failure of the Inventek product may reasonably be expected to result in significant property damage, injury, or death ("High Risk Product"). By including Inventek's product in a High Risk product, the manufacturer of such system or application assumes all risk of such use and in doing so agrees to indemnify Inventek against all liability. Inventek Systems reserves the right to make changes without further notice to any products or data herein to improve reliability, function, or design. The information contained within is believed to be accurate and reliable. However, Inventek does not assume any liability arising out of the application or use of this information, nor the application or use of any product or circuit described herein, neither does it convey any license under its patent rights nor the rights of others.

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