Industrial Low Cost WIFI Modules

USR-C210 is a UART to wifi module, used for data transparent transmission.

  • SMD Type
  • 1 TTL Serial Ports Supporting Data Rates of up to 460.8Kbps
  • 3 simultaneous client connections to Soft AP interface
  • GPIO
General Details

Introduction of low cost WiFi Modules

The low cost wifi modules, used for data transparent transmission. The hardware of USR-C210 wifi module integrates MAC, baseband chip and RF transceiver unit. USR-C210 supports WiFi protocol and TCP/IP protocol. Users can realize serial device netwroking via simple configuration.

Features of low cost WiFi Modules

  • Support Wi-Fi@2.4 GHz 802.11b/g/n wireless standards
  • Support WPA/WPA2 security mode.
  • Support work as AP,STA,AP+STA mode
  • The fully integrated serial to wifi TCP/UDP transmission function,can choose multiple serial speed
  • LAN search and wireless parameter setting function
  • Support TCP/UDP Client registration packet mechanism
  • Support Simplelink/usrlink rapid networking configuration
  • Httpd Client function
  • Support class RFC2217 automatic baud rate adaptive function
  • Support simple AT+ command set configuration
  • 3.3V power supply
  • Ultra-low power
  • On-board PCB antenna and external antenna optional
  • Small size: 18.22 x 26.65 x 2.8 mm

Application Field of low cost WiFi Modules

  • WiFi remote control and monitoring, TCP/IP and WiFi coprocessor
  • WiFi remote control toy such as aircraft and cars
  • WiFi Internet radio, camera, digital photo frame
  • Medical instrument, data acquisition, handheld device
  • WiFi fatness testing machine, smart card terminal, Smart Home
  • Instrument, equipment parameter monitoring, wireless POS machine
  • Modern agriculture, military field and other wireless related secondary development applications

Networking Mode of low cost WiFi Modules

1.AP Mode
C210 AP
2.STA Mode
C210 STA
3.AP+STA Mode
C210 AP STA

Various parameter setting method

Software Settings
Download settings software, search WiFi Modules in the LAN through the serial port server IP, name, MAC address, or the version number. Then set the parameters you need, otherwise keep the default.
Web-page Settings

  1. Open your browser and inter the default IP address of the WiFi Modules.
  2. Open the login page of Serial Server, Enter the user name and password (default admin).
  3. After setting parameter, Click “Save“ and “Restart“, then setting will take effect.

Serial AT commands Settings
User can set parameter by module itself without going through another computer to configure. This setting method is used in the following situation: user have to configure IP address and destination IP address on site. AT command can meet the demand. After MCU connects serial server module by TTL (UART), MCU can configure setting by AT command.

Parameter
Wireless Parameters
Wireless Standard802.11 b/g/n
Transmit Power802.11b: +18 +/-1dBm (@11Mbps)
802.11g: +17 +/-1dBm (@54Mbps)
802.11n: +15 +/-1dBm (@HT20, MCS7)
Receive Sensitivity802.11b: -85 dBm (@11Mbps, CCK)
802.11g: -70 dBm (@54Mbps, OFDM)
802.11n: -68 dBm (@HT20, MCS7)
AntennaExternal: I-PEX connector
Internal: on-board antenna
Hardware Parameters
Data InterfaceUART
Operating VoltageDC 3.0~3.6V
Operating CurrentAP: 74mA (average), 285mA (peak)
STA: 32mA (average), 196mA (peak)
Operating Temp.-20~ 85°C
Storage Temp.-55~ 125°C
Size18.22 x 26.65 x 2.8 mm
External InterfaceSMT
Software Parameters
Wireless Network TypeAP, STA, AP+STA
Security MechanismWPA-PSK/WPA2-PSK
Encryption TypeTKIP, AES, TKIP/AES
Network ProtocolIPv4, TCP/UDP
User ConfigurationAT+command
Webpage setting
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