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UART to WiFi Converter USR-C216

Low Power IoT Wifi Module


SKU: UART to WiFi Converter USR-C216 Categories: ,


The SMT Low Power IoT Wifi Module of USR-C216, used for data transparent transmission. The hardware of USR-C216 wifi module integrates MAC,baseband chip and RF transceiver unit.

  • Support simple AT+ command set configuration
  • 3.0V~3.6V power supply
  • Ultra-low power
  • On-board PCB antenna and external antenna optional
  • Small size: 22.0mm x 13.5mm x 2.7mm
Wireless Parameters
Wireless Standard 802.11 b/g/n
Transmit Power 802.11b: +18 +/-1dBm (@11Mbps)
802.11g: +17 +/-1dBm (@54Mbps)
802.11n: +15 +/-1dBm (@HT20, MCS7)
Receive Sensitivity 802.11b: -85 dBm (@11Mbps, CCK)
802.11g: -70 dBm (@54Mbps, OFDM)
802.11n: -68 dBm (@HT20, MCS7)
Antenna External: Antenna welding plate
Internal: on-board antenna
Hardware Parameters
Data Interface UART
Operating Voltage DC 3.0~3.6V
Operating Current AP: 74mA (average), 285mA (peak)
STA: 32mA (average), 196mA (peak)
Operating Temp. -20~ 85°C
Storage Temp. -40~ 125°C
Size 22.0mm x 13.5mm x 2.7mm
External Interface SIP
Software Parameters
Wireless Network Type AP, STA, AP+STA
Security Mechanism WPA-PSK/WPA2-PSK
Encryption Type TKIP, AES, TKIP/AES
Network Protocol IPv4, TCP/UDP
User Configuration AT+command
Webpage setting



User Manual