2AVTT-XR22A2.4G WIFI module

XR‐22A W IFI modu le Copyright©2019  ShenzhenJiXinInteligenceCo.,LtdAllRightsReserved   XR-22AUsermanual      Ver sionV1 Copyright©2019 XR‐22A W IFI modu le Copyright©2019  ShenzhenJiXinInteligenceCo.,LtdAllRightsReserved  Page 1 of 14 This device is intended only for OEM integrators under the following conditions: 1) The antenna must be installed such that 20 cm is maintained between the antenna and users, and 2) This device and its antenna(s) must not be co‐located with any other transmitters except in accordance with FCC multi‐transmitter product procedures. Referring to the multi‐transmitter policy, multiple‐transmitter(s) and module (s) can be operated simultaneously without C2P. 3) For all products market in US, OEM has to limit the operation channels in CH1 to CH11 for 2.4G band by supplied firmware programming tool. OEM shall not supply any tool or info to the end‐user regarding to Regulatory Domain change. USE RS MANUAL OF THE END PRODUCT: In the users manual of the end product, the end user has to be informed to keep at least 20cm separation with the antenna while this end product is installed and operated. The end user has to be informed that the FCC radio‐frequency exposure guidelines for an un controlled environment can be satisfied. The end user has to also be informed that any changes or modifications not expressly approved by the manufacturer could void the user's authority to operate this equipment . If the size of the end product is smaller than 8x10cm, then additional FCC par t 15.19 statement is required to be available in the users manual: This device complies with Part 15 of FCC rules. Operation is subject to the following two co nditions: (1) this device may not cause harmful interference and (2) this device must accept any interference received, including interference that may cause undesired operation. LABEL OF THE END PRODUCT: The final en d product must be labeled in a visible area with the following " Contains FCC ID:2AVTT‐XR22A ". If the size of the end product is larger than 8x10cm, then the following FCC part 15.19 statement has to also be available on th e label: This device complies with Part 15 of 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.      XR‐22A W IFI modu le  Copyright©2019  ShenzhenJiXinInteligenceCo.,LtdAllRightsReserved Page 2 of 14 1. Product Overv iew XR‐22A WiFi module was developed for a wide range of IoT applications, Its core processor XR808 integrates the ARM Cortex‐M4F 32‐bit microcontroller in a smaller package, supporting the master clock frequency up to 160MHz; Integrates high‐performance WLAN system with Wi‐Fi MAC/BB/RF/PA/LNA units; Integrates advanced power management units fo r ultra‐low power consumption with multiple sleep modes and fast wake‐up mechanisms; Integrates hardware encryption engine to supports AES/DES/3DES/SHA‐1/ MD5/ CRC/ SHA256/TRNG ; Integrates large memory and rich peripherals. XR‐22A WiFi module supports standard IEEE802.11 b/g/n protocol, supports RTOS, with a complete TCP/IP protocol stack, Users can use the module to add networking capabilities to existing devices, or can use it as a master design wireless network product, XR808 can be started dir ectly from external flash memory, the on‐chip high‐speed buffer memory helps improve system performance and reduce RAM requirements. XR‐22A W IFI modu le  Copyright©2019  ShenzhenJiXinInteligenceCo.,LtdAllRightsReserved Page 3 of 14 1.1 Appearance Dimensions XR‐22A W IFI modu le  Copyright©2019  ShenzhenJiXinInteligenceCo.,LtdAllRightsReserved Page 4 of 14 1.2 Features IEEE802.11b/g/n20,1x1SISO2.4GHz Built-in ARM Cortex-M4F 32bit MCU with main frequency from 32KHz to 160MHz,supportRTOS Built-in256KBSRAMand160KBROM SupportexternalFlashandeXecuteInPlace(XIP) 8shareduniversalDMAchannels Built-in6ways12bitSARtypeA/Dconverter Built-inWi-FiMAC/BB/RF/PA/LNA SupportWEP,WPA/WPA2,WPS2.0 SupportUART/GPIO/ADC/PWM/I2C/SPIinterface UseSMD-17assemblemodel Supportmultiplesleepmodesandcurrentaslowas4uAindeepsleepmode SupportAES/DES/3DES/SHA/MD5/CRCencryptionengine SupportSTA/AP/STA+APoperationmodes SupportSmartConfig/AirKiss(WeChat) SupportLocalfirmwareupgradeusingUARTandremoteupgrade（FOTA） HasuniversalandfriendlyATcommandset Supportsecondarydevelopment,supportWindows,Linuxdevelopment environment XR‐22A WIFI module  Copyright©2019  ShenzhenJiXinInteligenceCo.,LtdAllRightsReserved Page 5 of 14 1.3 Key parameter Table1.1Descriptionofthemainparameters Module model XR-22A Mounting SMD17 Size(mm) 17*16*3(±0.2)mm Cert. FCC、CE、IC、REACH、RoHS SPI Flash 32Mbit(default) Interface UART/GPIO/ADC/PWM/ I2C/SPI Number of GPIO 13 UART baud 9600/19200/38400/115200/921600bps  Freq. 2412~2462MHz  Antenna FPC Tx Power 802.11b:17±2dBm(@11Mbps)  802.11g:15±2dBm(@54Mbps)  802.11n:14±2dBm(@HT20,MCS7)  Rx Sensitivity CCK,1Mbps:-96dBm CCK,11Mbps:-91dBm 6Mbps(1/2BPSK):-92dBm XR‐22A W IFI modu le  Copyright©2019  ShenzhenJiXinInteligenceCo.,LtdAllRightsReserved Page 6 of 14 54Mbps(3/464-QAM):-75dBm HT20,MCS7(65Mbps,72.2Mbps):-73dBm Power dissipation (Typical) RXActive(MCUactive,DC-DCmode):31mA TXActive(MCUactive,DC-DCmode): 164mA@11nMCS714dBm 192mA@11bCCK19dBm Standby:~26.5uA Hibernation:~4uA Shutdown:~0.5uA Security WEP/WPA-PSK/WPA2-PSK/WPS2.0 Power Supply DC2.7V~5.5V，Imax>300mA Temperature -40°C~+85°C Storage Condition -55°C~150°C,<90%RH XR‐22A W IFI modu le  Copyright©2019  ShenzhenJiXinInteligenceCo.,LtdAllRightsReserved Page 7 of 14 2. Pin definition XR-22Amodulehas17pins，feature…

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Shenzhen Jixin intelligence Co., Ltd {June 30, 2020} Single Modular Approval Request Letter Date: 2020-06-30 FCC ID: 2AVTT-XR22A Type of Equipment: DTS The following requirements according to FCC Part 15.212 are met: 1. “The modular transmitter must have its own RF shielding.”: Answer: The module has its own RF shield 2. “The modular transmitter must have buffered modulation/data inputs.”: Answer: The module has data transmission function and supports 2.4GWiFi function. 3. “The modular transmitter must have its own power supply regulation.”: Answer: Module with power regulation and support for DC 3.3V input 4. “The modular transmitter must comply with the antenna requirements of section 15.203 and 15.204(C).”: Answer: The module meets the antenna requirements of sections 15.203 and 15.204(c) Shenzhen Jixin intelligence Co., Ltd 5. “The modular transmitter must be tested in a stand-alone configuration”: Answer: The module has been tested in a standalone configuration, see report for details} 6. “The modular transmitter must be labeled with its own FCC ID number.”: Answer: The module has its own FCC ID number. See the label for details. 7. “The modular transmitter must comply with any specific rule or operating requirements applicable to the transmitter and the manufacturer must provide adequate instructions along with the module to explain any such requirements.”: Answer:The module meets any specific rules or operational requirements applicable to the transmitter} 8. “The modular transmitter must comply with any applicable RF exposure requirements.”: Answer:The module complies with any applicable RF exposure requirements, as detailed in the instructions.} Please contact me if you have any further questions. Regards, Signature: Name: Huabin Fu Title: CEO Company: Shenzhen Jixin intelligence Co., Ltd

- Page 1 of 3 - Report No.: MTi19111507-8E1-1 Tel:(86-755)88850135 Fax: (86-755) 88850136 Web: http://www.mtitest.com E-mail: [email protected] Address: No.102A & 302A, East Block, Hengfang Industrial Park, Xingye Road, Xixiang, Bao'an District, Shenzhen, Guangdong, China APPENDIX 1: EUT PHOTO Photo 1 (For model XR-22A) Photo 2 - Page 2 of 3 - Report No.: MTi19111507-8E1-1 Tel:(86-755)88850135 Fax: (86-755) 88850136 Web: http://www.mtitest.com E-mail: [email protected] Address: No.102A & 302A, East Block, Hengfang Industrial Park, Xingye Road, Xixiang, Bao'an District, Shenzhen, Guangdong, China Photo 3

SIZE:10mm*3mm FCC ID :2AVTT-XR22A

- Page 3 of 3 - Report No.: MTi19111507-8E1-1 Tel:(86-755)88850135 Fax: (86-755) 88850136 Web: http://www.mtitest.com E-mail: [email protected] Address: No.102A & 302A, East Block, Hengfang Industrial Park, Xingye Road, Xixiang, Bao'an District, Shenzhen, Guangdong, China Photo 4 ----END OF REPORT---- Antenna connector

version01 Shenzhen Jixin intelligence Co., Ltd Declaration concerning Antenna Specification It is hereby declared that the product Model No.: XR-22A FCC ID: 2AVTT-XR22A fulfills the requirement in FCC test relating to the antenna type. The device specified above confirms to the FCC recommendations for Internal Antenna antenna type(s) described below: Model No. of antenna: N/A Type of antenna: FPC Antenna Gain of the antenna: 2 dBi Frequency range: 802.11b/g/n20:2412~2462 MHz The mounting of the antenna is fixed to the radio module and no other antenna should be used. Company name: Shenzhen Jixin intelligence Co., Ltd Address: A505 Room, Business Building, Suojia Science Park, Xixiang, Baoan District, Shenzhen, China City: Shenzhen ZIP / Postal code: N/A Country: China Contact: Huabin Fu Date: 21/04/2020 Signature:

This test report is valid for the tested samples only. It cannot be reproduced except in full without prior written consent of Shenzhen Microtest Co., Ltd. Tel:(86-755)88850135 Fax: (86-755) 88850136 Web: http://www.mtitest.com E-mail: [email protected] Address: No.102A & 302A, East Block, Hengfang Industrial Park, Xingye Road, Xixiang, Bao'an District, Shenzhen, Guangdong, China MPE REPORT FCC ID: 2AVTT-XR22A Date of issue: June 28, 2020 Report number: MTi19111507-8E2 Sample description: 2.4G WIFI module Model(s): XR-22A Applicant: Shenzhen Jixin intelligence Co., Ltd Address: A505 Room, Business Building, Suojia Science Park, Xixiang, Baoan District, Shenzhen Date of test: Jan. 14, 2020 to June 28, 2020 Shenzhen Microtest Co., Ltd. http://www.mtitest.com - Page 2 of 4 - Report No.: MTi19111507-8E2 Tel:(86-755)88850135 Fax: (86-755) 88850136 Web: http://www.mtitest.com E-mail: [email protected] Address: No.102A & 302A, East Block, Hengfang Industrial Park, Xingye Road, Xixiang, Bao'an District, Shenzhen, Guangdong, China TEST RESULT CERTIFICATION Applicant’s name: Shenzhen Jixin intelligence Co., Ltd Address: A505 Room, Business Building, Suojia Science Park, Xixiang, Baoan District, Shenzhen Manufacture's name: Shenzhen Jixin intelligence Co., Ltd Address: A505 Room, Business Building, Suojia Science Park, Xixiang, Baoan District, Shenzhen Product name: 2.4G WIFI module Trademark: N/A Model and/or type reference . : XR-22A Serial model ........................... : N/A RF exposure procedures ....... : KDB 447498 D01 v06 This device described above has been tested by Shenzhen Microtest Co., Ltd and the test results show that the equipment under test (EUT) is in compliance with the FCC requirements. And it is applicable only to the tested sample identified in the report. Tested by: Danny Xu June 28, 2020 Reviewed by: Leo Su June 28, 2020 Approved by: Tom Xue June 28, 2020 - Page 3 of 4 - Report No.: MTi19111507-8E2 Tel:(86-755)88850135 Fax: (86-755) 88850136 Web: http://www.mtitest.com E-mail: [email protected] Address: No.102A & 302A, East Block, Hengfang Industrial Park, Xingye Road, Xixiang, Bao'an District, Shenzhen, Guangdong, China RF EXPOSURE EVALUATION According to FCC 1.1310: The criteria listed in the following table shall be used to evaluate the environment impact of human exposure to radio frequency (RF) Radiation as specified in §1.1307(b) Limits for Maximum Permissible Exposure (MPE) MPE Calculation Method Friis transmission formula: Pd= (Pout*G)\ (4*pi*R 2 ) Where Pd= Power density in mW/cm2 Pout=output power to antenna in mW G= Numeric gain of the antenna relative to isotropic antenna Pi=3.1415926 R= distance between observation point and center of the radiator in cm(20cm) Pd the limit of MPE, 1mW/cm2. If we know the maximum gain of the antenna and total power input to the antenna, through the calculation, we will know the distance where the MPE limit is reached. - Page 4 of 4 - Report No.: MTi19111507-8E2 Tel:(86-755)88850135 Fax: (86-755) 88850136 Web: http://www.mtitest.com E-mail: [email protected] Address: No.102A & 302A, East Block, Hengfang Industrial Park, Xingye Road, Xixiang, Bao'an District, Shenzhen, Guangdong, China Measurement Result WIFI: Operation Frequency: WIFI 802.11b/g/n HT20: 2412-2462MHz, Power density limited: 1mW/ cm 2 Antenna Type: FPC Antenna; Antenna gain: 2dBi R=20cm mW=10^(dBm/10) antenna gain Numeric=10^(dBi/10)= 10^(2/10)=1.58 Channel Freq. (MHz) modulation conducted power Tune- up power Max Antenna Evaluation result at 20cm Power density Limits (dBm) (dBm) tune-up power Gain Power density(mW/cm2 ) (mW/cm2) (dBm) (mW) Numeric 2412 802.11b 17.25 17±1 18 63.0957 1.58 0.01983 1 2437 16.64 17±1 18 63.0957 1.58 0.01983 1 2462 17.32 17±1 18 63.0957 1.58 0.01983 1 2412 802.11g 15.12 15±1 16 39.8107 1.58 0.01251 1 2437 14.63 15±1 16 39.8107 1.58 0.01251 1 2462 14.70 15±1 16 39.8107 1.58 0.01251 1 2412 802.11n H20 14.91 15±1 16 39.8107 1.58 0.01251 1 2437 14.72 15±1 16 39.8107 1.58 0.01251 1 2462 14.41 15±1 16 39.8107 1.58 0.01251 1 Conclusion: For the max result: 0.01983≤ 1.0 for 1g SAR, No SAR is required. ----END OF REPORT----

This test report is valid for the tested samples only. It cannot be reproduced except in full without prior written consent of Shenzhen Microtest Co., Ltd. Tel:(86-755)88850135 Fax: (86-755) 88850136 Web: http://www.mtitest.com E-mail: [email protected] Address: No.102A & 302A, East Block, Hengfang Industrial Park, Xingye Road, Xixiang, Bao'an District, Shenzhen, Guangdong, China Test Report FCC ID: 2AVTT-XR22A Date of issue: June 28, 2020 Report number: MTi19111507-8E1 Sample description: 2.4G WIFI module Model(s): XR-22A Applicant: Shenzhen Jixin intelligence Co., Ltd Address: A505 Room, Business Building, Suojia Science Park, Xixiang, Baoan District, Shenzhen Date of test: Jan. 14, 2020 to June 28, 2020 Shenzhen Microtest Co., Ltd. http://www.mtitest.com - Page 2 of 52 - Report No.: MTi19111507-8E1 Tel:(86-755)88850135 Fax: (86-755) 88850136 Web: http://www.mtitest.com E-mail: [email protected] Address: No.102A & 302A, East Block, Hengfang Industrial Park, Xingye Road, Xixiang, Bao'an District, Shenzhen, Guangdong, China Table of Contents 1 GENERAL INFORMATION ...................................................................................................................................... 5 1.1 DESCRIPTION OF EUT ................................................................................................................................................... 5 1.2 OPERATION CHANNEL LIST .............................................................................................................................................. 6 1.3 TEST CHANNEL LIST ....................................................................................................................................................... 6 1.4 ANCILLARY EQUIPMENT LIST ........................................................................................................................................... 6 1.5 DESCRIPTION OF SUPPORT UNITS .................................................................................................................................... 6 2 SUMMARY OF TEST RESULTS ................................................................................................................................. 7 3 TEST FACILITIES AND ACCREDITATIONS .................................................................................................................. 8 3.1 TEST LABORATORY ........................................................................................................................................................ 8 3.2 ENVIRONMENTAL CONDITIONS ........................................................................................................................................ 8 3.3 MEASUREMENT UNCERTAINTY ........................................................................................................................................ 8 3.4 TEST SOFTWARE ........................................................................................................................................................... 8 4 EQUIPMENT LIST .................................................................................................................................................. 9 5 TEST RESULT ....................................................................................................................................................... 10 5.1 ANTENNA REQUIREMENT ............................................................................................................................................. 10 5.1.1 Standard requirement ....................................................................................................................................... 10 5.1.2 EUT antenna ..................................................................................................................................................... 10 5.2 PEAK OUTPUT POWER ................................................................................................................................................. 11 5.2.1 Limit .................................................................................................................................................................. 11 5.2.2 Test setup .......................................................................................................................................................... 11 5.2.3 Test procedure ................................................................................................................................................... 11 5.2.4 Test results ........................................................................................................................................................ 12 5.3 POWER SPECTRAL DENSITY ........................................................................................................................................... 13 5.3.1 Limit .................................................................................................................................................................. 13 5.3.2 Test setup .......................................................................................................................................................... 13 5.3.3 Test procedure ................................................................................................................................................... 13 5.3.4 Test results ........................................................................................................................................................ 14 5.4 CONDUCTED EMISSION ................................................................................................................................................ 17 5.4.1 Limits ................................................................................................................................................................. 17 5.…

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Tel:(86-755)88850135 Fax: (86-755) 88850136 Web: http://www.mtitest.com E-mail: [email protected] Address: No.102A & 302A, East Block, Hengfang Industrial Park, Xingye Road, Xixiang, Bao'an District, Shenzhen, Guangdong, China Photographs of the Test Setup Radiated emission Tel:(86-755)88850135 Fax: (86-755) 88850136 Web: http://www.mtitest.com E-mail: [email protected] Address: No.102A & 302A, East Block, Hengfang Industrial Park, Xingye Road, Xixiang, Bao'an District, Shenzhen, Guangdong, China Conducted emission