SMT Serial UART to Wifi 802.11b/g/n Module with On-board/External Antenna

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SMT Serial UART to Wifi 802.11b/g/n Module with On-board/External Antenna
SMT Serial UART to Wifi 802.11b/g/n Module with On-board/External Antenna
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Price: $15.60
Availability: In Stock
Model: USR-WIFI232-C
Average Rating: Not Rated

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Unique Features

1.Have router function

2.Support built-in webpage

3.Support Websocket and  HTTPD Client

4.Certificate of FCC, CE, RoHS and TELEC

Wifi Module Download

User Manual: USR-WIFI232-C

Client Support Center: submit your ticket at If you have technical problems about the product.

Wifi Module Introduction

USR-WIFI232-C is an embedded 802.11 b/g/n wifi module. It can connect traditional serial device and MCU controlled device with wifi network to realize control and management. And the module can realize bidirectional transparent data transmission between serial and wifi network with simple setup.

Wifi Module Feature

  • Support 802.11b/g/n wireless standards
  • Support TCP/IP/UDP network protocols
  • Support UART/GPIO/Ethernet data interface
  • Support work as STA/AP/AP+STA mode
  • Support router/bridge mode networking
  • Support internal/external antenna
  • Support transparent transmission mode
  • Support AT+ instruction set for configuration
  • Support friendly web configuration page
  • Support heartbeat signal and wifi connection indication
  • Support UART auto-frame function
  • Single +3.3V power supply
  • FCC/CE/RoHS/TELEC certificated

Wifi Module Parameter

Wireless Parameters
Wireless Standard
802.11 b/g/n
Frequency Range
Transmit Power
802.11b: +20dBm (Max.)
802.11g: +18dBm (Max.)
802.11n: +15dBm (Max.)
Receive Sensitivity
802.11b: -89 dBm
802.11g: -81dBm
802.11n: -71dBm
Internal: On-board antenna
External: I-PEX connector
Hardware Parameters
Data Interface
UART: 300bps~460800bps
Ethernet: 100Mpbs
Operating Voltage
Operating Current
170mA ~300mA
Operating Temp.
-40°C ~ 85°C
Storage Temp.
-40°C- 125°C
25mm x 40mm x3mm
Software Parameters
Wireless Network Type
Station/AP Mode
Security Mechanism
Encryption Type
Work Mode
Transparent transmission, serial command
Setting Command
AT+instruction set
Network Protocol
Max. Client Number in TCP Server Mode
User Configuration
Web Server+AT command config.
Client Application Software
Support clients to customize application software

Wifi Module Images

wifi module

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