RAKwireless Technology RAK41X Wi-Fi Module User Manual

Shenzhen Rakwireless Technology Co., Ltd. Wi-Fi Module

User manual

RAK49X Datasheet     RAK49X WIFI Module Specification V1.5           Shenzhen Rakwireless Technology Co.,Ltd www.rakwireless.com   Mail:info@rakwireless.com
RAK49X Datasheet  2  Content RAK49X WIFI Module ............................................................................................................ 1 1 Overview ........................................................................................................................................ 1 1.1 Module Overview................................................................................................................ 1 1.2 Key Applications ................................................................................................................. 1 1.3 Device Features ................................................................................................................... 1 1.4 RAK49X System Diagram .................................................................................................. 2 2 Functional Description ................................................................................................................... 3 2.1 HW Interface ....................................................................................................................... 3 2.2 Wireless Driver ................................................................................................................... 3 2.3 TCP/IP ................................................................................................................................. 3 2.4 Power Consumption ............................................................................................................ 3 3 Hardware Introduction ................................................................................................................... 4 3.1 Top and Bottom View.......................................................................................................... 4 3.2 Pin Definition ...................................................................................................................... 4 3.3 Design Reference ................................................................................................................ 5 3.4 RAK49X PCB Mechanical Size ......................................................................................... 6 3.5 Reflow Soldering Temperature Graph ................................................................................ 7 3.6 Baking Instructions ............................................................................................................. 7 4 Electrical Characteristics ................................................................................................................ 8 4.1 Absolute Maximum ............................................................................................................. 8 4.2 Recommended Operating Parameters ................................................................................. 8 4.3 RF Electrical Characteristics ............................................................................................... 8 4.4 MCU Reset ........................................................................................................................ 10 5 Order Information ........................................................................................................................ 11
RAK49X Datasheet  3  5.1 Products ............................................................................................................................. 11 5.2 Description ........................................................................................................................ 11 5.3 Size .................................................................................................................................... 11 6 Sales and Service ......................................................................................................................... 12 7 Revision History .......................................................................................................................... 13 FCC STATEMENT : ...................................................................................................................... 14 FCC Radiation Exposure Statement: ........................................................................................ 14
RAK415 Data sheet  1 1 Overview 1.1 Module Overview  RAK49X module is a Wi-Fi module that fully compliant with IEEE 802.11b/g/n wireless standards, with internally integrated TCP / IP protocol stack, supporting numerous protocols such as ARP, IP, ICMP, TCP, UDP, DHCP CLIENT, DHCP SERVER, DNS and other etc. It supports AP mode, Station mode and Ad-hoc and mode. Users can easily and quickly use it to networking and data transmission. Through SPI interface, the module’s maximum transmission rate is up to 2Mbps.  RAK49X supports storing parameters, and by the customer commands it determines whether to enable automatic networking to realize easy networking and reduce time for system to networking. The module has built-in WEB server, supporting wireless network parameters configuration, supporting wireless firmware upgrade. It also supports WPS and EasyConfig one-key networking, significantly reducing software development effort.  RAK49X has four power management modes, among which the minimum standby power consumption is 2uA, fully meet customer’s requirement for low power design.  1.2 Key Applications • Portable products • Home appliances and electrical appliances • Industrial sensors • Sales terminals • Buildings automation   • Logistics and freight management • Home security and automation • Medical applications, such as patient monitoring, medical diagnostics • Metering (stop timing, measuring instruments, meters, etc.)  1.3 Device Features • Support IEEE 802.11b/g/n wireless standards • Support four-wire SPI interface
RAK49X Datasheet  2 • Support SPI Clock up to Maximum 16Mhz • Minimalist hardware peripheral circuit design • Support Station, Ad-hoc and AP modes • Support DHCP SERVER / DHCPCLIENT • Support OPEN, WEP, WPA-PSK, WPA2-PSK and WPS encryption • Support TCP, UDP protocols, with maximum 8 UDP/TCP connections • Support webpage-based parameter configuration • Support WPS and EasyConfig one-key to network connection • Support parameter storage, customer orders loading after boot • Support parameters store in Deep Sleep State, with connection time as fastest as 300ms • Support wireless upgrade firmware • On-board ceramic antenna or U.FL antenna connector • Operating voltage: 3.3V • 4 kinds power working modes, with minimum power consumption as1~2uA • Small package size: 28.75mmX23.14mmX3.40mm • FCC, RoHS and CE compliant 1.4 RAK49X System Diagram  Figure 1-1 RAK49X System Diagram
RAK49X Datasheet  3 2 Functional Description 2.1 HW Interface  Support clock 16MHz Maximum  Interface actual throughput up to 2Mbps  Four-wire SPI interface, support SPI data interrupt pin  2.2 Wireless Driver  Compliant with IEEE 802.11b/g/n standards  Support AP、STA  、AD-HOC Mode  Support WEP, WPA/WPA2-PSK encryption  Fast networking, allowing module to be added to network within           1 sec after power up  Support WPS and EasyConfig one-key to network connection  Support wireless configuration and firmware upgrade  2.3 TCP/IP  DHCP Client and Server features  DNS Client and Server functions  TCP Client, TCP Server, UDP Client, UDP Server and Multicast functions  8-way socket applications 2.4 Power Consumption The module supports four power consumption modes:  Full speed working mode, with approx 80mA average power consumption,             peak current less than 200mA  Power-saving mode, with approx 10ma average power consumption, peak         current <200mA, DTIM = 100ms  Deep sleep mode, with approx 5mA average power consumption, peak       current <200mA, DTIM = 100ms  Standby mode, with power consumption<2uA
RAK49X Datasheet  4 3 Hardware Introduction 3.1 Top and Bottom View   Figure 3-1 RAK49X Top View  Figure 3-2 RAK49X Bottom View 3.2 Pin Definition Table 3-1: Pin Definition Pin Serial No. Name Type Description 1,2,5,12,13,14,36  GND  Ground  connected to ground pad or the copper 35  VCC3V3 Power  3.3V power supply 18  LINK O,PU "0" - STA connected in AP mode,            Connected to router in STA mode   "1" - disconnected    Remain disconnected when no use 19  RESET I,PU Module reset pin, low effective 27  SPI_INT  O SPI mode interrupt pin   “0”——idle level “1”——has data sent to host 31  SPI_MISO  O  SPI slave: data of SPI Master Input, Slave Output 32  SPI_MOSI  I  SPI slave: data of SPI Master Output, Slave
RAK49X Datasheet  5 Input 33  SPI_CLK  O  SPI slave: SPI clock input 34  SPI_CS  I  SPI slave: SPI chip select input     Others NC NC  Remain disconnected when no use Note:  1.  I – input  O - output  PU – pulling up   PD - pulling down    NC - not  connected   2.    Pin in NC, remain disconnected  3.3 Design Reference  Figure 3-3 Module Typical Design Reference     Note: Upon SPI interface, the value of R3 depends on output resistance of host and PCB trace resistance, the default value is 33 Euro.
RAK49X Datasheet  6 3.4 RAK49X PCB Mechanical Size          Figure 3-4: PCB Mechanical Size (mm)
RAK49X Datasheet  7 3.5 Reflow Soldering Temperature Graph  Figure 3-5: Temperature Graph Note:     As shown in Figure 3-5, it is based on the SAC305 lead-free tin paste (3% silver, 0.5% copper). Alpha OM-338 lead-free cleaning-free flux is recommended. The Figure 6 is mainly used for guidance. The entire process time is subject to thermal pad number of assembly board and device Intensity. 3.6 Baking Instructions     The RAK49X module is very sensitive to water. Be cautious to baking the device. At ambient conditions, it is required that within 168 hours removed from the vacuum packaging, the module should be processed with the circuit board assembly by reflow soldering; Or stored in the environment with a relative humidity below 10%. If the condition is not satisfied, the RAK49X must be processed with a 9-hour baking in the environment of 125 ℃before the reflow soldering.
RAK49X Datasheet  8 4 Electrical Characteristics 4.1 Absolute Maximum The following table shows the absolute maximum. Note that the module device may be damaged when exceeds the maximum. To avoid damages to the module and the device,please operate under specified conditions. Table 4-1: Parameters and Value Range Parameters  Symbols  Value Unit External supply voltage  VCC3V3  -0.3~4.0  V Maximum RF Input (Reference: 50Ω) RFin +10  dBm When voltage is 3.3V, IO Max voltage  3V3VinIOMax VCC+0.3  V When voltage is 3.3V, IO Min voltage  3V3VinIOMin  -0.3  V Storage ambient temperature  Tstore  -65~+135  ℃ ESD resistance ESDHBM  2000  V  4.2 Recommended Operating Parameters Table 4-2: Recommended Operating Parameter Range Parameters  Symbols  Min Value Typical Value Max Value Unit External voltage  Vcc  3.14  3.3  3.46  V Ambient temperature Tambient  -40  --  +85  ℃  4.3 RF Electrical Characteristics • RF Transmit Specifications Table 4-3: Partial RF Transmit Specifications Symbol  Parameter  Conditions  Typical Value Unit Ftx Frequency range  --  2.4  GHz Pout  Output power  -- -- -- 802.11b  1Mbps  17  dBm
RAK49X Datasheet  9 802.11g  6Mbps  17  dBm 802.11n,HT20  MCS0  17  dBm 802.11g,EVM  54Mbps  14  dBm 802.11n,HT20EVM  MCS7  10  dBm  • RF Receiver Specifications Table 4-4: Partial Receiver Specifications Parameter Parameter  Test conditions  Typical Value Unit Receiver sensitivity 11b,1Mbps    -97  dBm 11b,2Mbps    -92  dBm 11b,5.5Mbps    -90  dBm 11b,11Mbps    -88  dBm 11g,9Mbps    -91  dBm 11g,18Mbps    -87  dBm 11g,36Mbps    -81  dBm 11g,54Mbps    -75  dBm 11n,MCS1,13Mbps    -89  dBm 11n,MCS3,26Mbps    -82  dBm 11n,MCS5,52Mbps    -75  dBm 11n,MCS7,65Mbps    -72  dBm Maximum input signal CH7  11g,54Mbps  10  dBm Adjacent channel 6Mbps    37  dBc 54Mbps    21  dBc MCS0    38  dBc MCS7    20  dBc
RAK49X Datasheet  10 4.4 MCU Reset     Figure 4-1 shows the MCU reset timing diagram and reset pulse length. When power on the module or an exception occurs, the module needs to be reset. RESET pin is internally pulled up, low input is effective.       3.3V IO Supply      MCU_RESET        TRESET Figure 4-1: MCU Reset Timing  Table 4-5 shows the description of MCU reset parameters. Table 4-5: MCU Reset Parameter Symbol  Description typical(mS) TRESET MCU reset pulse length  >10
RAK49X Datasheet  11 5 Order Information 5.1 Products Table 5-1: Product Models Product  Description Single Tray Packing Minimum Package Development board corresponding model RAK49XAS-XXXX SPI interface module, with on-board antenna   27pcs/tray   270pcs RAK49XAS_EVB RAK49XBS-XXXX SPI interface module, with external antenna   27pcs/tray   270pcs RAK49XBS_EVB 5.2 Description RAK 4X X X XXXXCustomer versionReserve: ST01Package TypeL:    bend pinI:     Straight pinX:    No  pinS: SMD StampInterface1: SPI module2: secondary development  3: UART AT command module5: UART transparent transmissionDevice family4XCompany NameRAK wirelessXAntenna TypeA: Internal  AntennaB: External  Antenna  5.3 Size Packaging: Hard plastic pallets Weight: <=3.00g/pcs Table 5-2: Thickness (Height) RAK49X  Thickness (Height) Without shield holder  2.85±0.05mm With shield holder  2.95±0.05mm With shield  3.30±0.15mm Note: In considering height design of the product, please consider your motherboard thickness error and product fit gap (recommended 0.10-0.15mm).
RAK49X Datasheet  12 6 Sales and Service Beijing FAE mailbox: allan.jin@rakwireless.com   Tel : 010-62716015 Fax: 010-62716015 Address: Room 1108, Jin Yanlong Building, Xisanqi Desheng Gate, Haidian District, Beijing  Shanghai   FAE mailbox: steven.tang@rakwireless.com   Tel : 021-54721182 Fax: 021-54721038 Address: Room 306, Ran East Business Center 1 Building, No.150, 2161 Lane, Wanyuan road, Minhang District, Shanghai  Shenzhen  FAE mailbox: vincent.wu@rakwireless.com   Tel:0755-26506594 Fax:0755-86152201 Address: Room 406, Tsinghua information comprehensive building, Nanshan Science Park North District , Shengzhen
RAK49X Datasheet  13 7 Revision History Version Modifications Date V1.0  Initial Draft 2013-12-08 V1.1  Modified Sales and Service section 2014-01-12 V1.2  Modified partial text editing 2014-04-16 V1.3  Added WPS function 2014-08-20 V1.4  Add module packet Reference design to add a reset circuit and pull up for serial port 2015-02-27
RAK49X Datasheet  14 FCC STATEMENT :   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. Warning: Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.  NOTE: 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 or more 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 Radiation Exposure Statement: This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment. This equipment should be installed and operated with minimum distance 20cm between the radiator & your body.
FCC INFORMATION (additional)OEM INTEGRATION INSTRUCTIONS:This device is intended only for OEM integrators under the following conditions: The module must beinstalled in the host equipment such that 20 cm is maintained between the antenna and users, and thetransmitter module may not be co-located with any other transmitter or antenna. The module shall be onlyused with the internal antenna(s) that has been originally tested and certified with this module. As long as 3conditions above are met, further transmitter test will not be required. However, the OEM integrator is stillresponsible for testing their end-product for any additional compliance requirements required with thismodule installed (for example, digital device emissions, PC peripheral requirements, etc.).Validity of using the module certification:In the event that these conditions cannot be met (for example certain laptop configurations or co-locationwith another transmitter), then the FCC authorization for this module in combination with the hostequipment is no longer considered valid and the FCC ID of the module cannot be used on the final product.In these circumstances, the OEM integrator will be responsible for re-evaluating the end product (includingthe transmitter) and obtaining a separate FCC authorization.End product labeling:This transmitter module is authorized only for use in device where the antenna may be installed such that20 cm may be maintained between the antenna and users. The final end product must be labeled in avisible area with the following: “Contains FCC ID: 2AF6B-RAK41X”.Information that must be placed in the end user manual:The OEM integrator has to be aware not to provide information to the end user regarding how to install orremove this RF module in the user's manual of the end product which integrates this module. The end usermanual shall include all required regulatory information/warning as show in this manual.This device must be kept away from all persons by 20cm or more and installations using less distance, orinstallations using antennas with gain greater than that with which this was Certified will require additionalapprovals.Antenna Specification:External Antenna: 2.0 dBiOnboard Antenna: 0.5 dBi

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