Serial UART to Wifi /Wireless Module with External Antenna

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Serial UART to Wifi /Wireless Module with External Antenna

Serial UART to Wifi /Wireless Module with External Antenna
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Price: $15.60
Availability: In Stock
Model: USR-WIFI232-B
Manufacturer: USR IOT
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Order Quantity Price Per Item
100 $14.00
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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-B

Evaluation Kit: USR-WIFI232-2EV2

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

Wifi Module Introduction

USR-WIFI232-B is an embedded 802.11 b/g/n wi-fi module, which provides a wireless interface to equipment with a serial interface for data transfer. The module can work as TCP client/TCP server/UDP to send data from WiFi to serial or serial to WiFi. It is easy to transmit data in LAN or for remote server.

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 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
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 x8mm
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,wifi serial

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