This is a wireless module for transparent transmission of data. USR-C322a is a wifi module released by USR IOT, featuring miniaturization, low power consumption and industrial grade. The hardware of USR-C322a wifi module integrates MAC, baseband chip, RF transceiver unit and power amplifier. The USR-C322a wifi module is based on the TI CC3200 chip with an industrial ARM Cortex-M4 core and ultra-low power operation. It supports WiFi protocol and TCP / IP protocol. The user can connect the UART device to the Internet with a simple configuration. Features: Supports Wi-Fi 2.4 GHz 802.11 b / g / n wireless standard. Based on the ARM Cortex-M4 core, the operating frequency is 80 MHZ. Support WEP, WPA / WPA2 security mode. Support AP / STA working mode. Support for Simplelink / usrlink network configuration. Fully integrated serial to wifi TCP / UDP transmission, serial port speed up to 3Mbps. Support for two uart and three slot communication. PC1 16-byte encryption is supported when operating in transparent transfer mode. Support HTTPD Client, websocket, SSL client, custom web page function. Supports local area network (LAN) search and wireless parameter setting functions. Supports TCP/UDP client registration packet mechanism. Supports the automatic baud rate adaptation function of RFC2217. Support 485 transmission control. Support AT + simple instruction set configuration. Single 3.3 V power supply. Built-in antenna. FCC / CE / RoHS certification. Ultra low power mode with deep sleep support. Micro: Approx. 18.22 * 26.65 * 2.8 mm/ 0.71 * 1.05 * 0.11 in, SMT Specification: Category Parameter Value Wireless parameters Certification CE/FCC/ROHS Wireless standard 802.11 b/g/n Transmit power 17.0 dBm @ 1 DSSS 17.25 dBm @ 11 CCK 13.5 dBm @ 54 OFDM Receive sensitivity -94.7 dBm @ 1 DSSS -87.0 dBm @ 11 DSSS -73.0 dBm @ 54 OFDM Antenna Internal: on-board antenna Hardware Parameters Data Interface UART Working voltage 3.0~3.6V Working current AP: 70mA STA: 18mA Peak: 247mA Working temperature -40 ~ 85°C Storage temperature -40 ~ 125°C, 5 ~ 95% RH Size Approx. 18.22*26.65*2.8 mm/0.71*1.05*0.11 in External interface SMT Software parameters Wireless network type STA/AP Security mechanism WEP-A / WPA-PSK / WPA2-PSK Encryption type WEP64 / WEP128 / TKIP / AES Update firmware Local WiFi Network Protocol IPv4, TCP, UDP, DHCP, DNS, HTTPS, ARP, ICMP User configuration Built-in webpage Serial AT command Network AT command Package list: 1 * WIFI Module 1、Supports Wi-Fi 2.4 GHz 802.11 b / g / n wireless standard. 2、Based on the ARM Cortex-M4 core, the operating frequency is 80 MHZ. 3、Support WEP, WPA / WPA2 security mode. 4、Support for Simplelink / usrlink network configuration. 5、Fully integrated serial to wifi TCP / UDP transmission, serial port speed up to 3Mbps.