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Jinan USR IOT Technology Limited
Expert of Serial communications in IOT & M2M
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Industrial Serial WIFI Module Small Size

Jinan USR IOT Technology Limited
Jinan USR IOT Technology Limited
City: Ji'nan
Province/State: Shandong
Tel: 86--15269189756
Contact Person:
Miss. Freda Cui

Industrial Serial WIFI Module Small Size

Place of Origin : China
Brand Name : USR
Certification : CE/FCC
Model Number : USR-C210
MOQ : Accept Sample
Packaging Details : Standard package
Delivery Time : Within 1-5 days as per quantity
Payment Terms : T/T,paypal,WU
Supply Ability : 10000PCS/Month
Software : For free
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Industrial Serial WIFI Module Small Size

Unique Features

1.Tiny Size : 18.22 x 26.65 x 2.8(mm)

2.Support UsrLink Function(Fast set SSID)

3.Support AT+command and Webpage Configuration

Wifi Module Introduction

This is a UART to wifi module,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.

Wifi Module Features

  • Support Wi-Fi@2.4 GHz 802.11b/g/n Wireless Standards
  • Support WEP,WPA/WPA2 security mode.
  • Support Work As STA/AP/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 mechanisam
  • Support Simplelink/usrlink rapid networking configuration
  • Support class RFC2217 automatic baud rate adaptive function
  • Support simple AT+ command set configuration
  • 3.3V power supply
  • On-board PCB antenna and external antenna optional
  • Small size : 18.22mmx26.65mmx2.8mm

Wifi Module Parameters




Wireless Parameters

Wireless Standard

802.11 b/g/n

Transmit Power

17.0 dBm @ 1 DSSS

15.0 dBm @ 11 CCK

13.5 dBm @ 54 OFDM

Receive Sensitivity

–91.5 dBm @ 1 DSSS

–87.5 dBm @ 11 DSSS

–80.5 dBm @ 54 OFDM


External: I-PEX connector
Internal: on-board antenna

Hardware Parameters

Data Interface


Operating Voltage

DC 3.0~3.6V

Operating Current

in the condition of 3.3V
Normal Mode: AP: 70mA; sta :30mA
Standby without restart :6.5mA
Standby : Min 90uA

Operating Temp.

-40 ~ 85°C(industrial)

Storage Temp.

-40~ 125°C,5 ~ 95% RH(no condensation)


18.22 x 26.65 x 2.8(mm)

External Interface


Software Parameters

Wireless Network Type


Security Mechanism


Encryption Type


Update Firmware

Local Wireless


Support custom webpage

Network Protocol


User Configuration


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