Product Description

USR-WIFI232-B2 UART to WiFi/Ethernet Modules Embedded TTL Serial to 802.11 b/g/n Wifi Module Supports Modbus RTU to Modbus TCP

USR-WIFI232-B2 is an embedded serial to 802.11 b/g/n wifi module, with external antenna, and it can connect traditional serial device and MCU controlled device with wifi network to realize control and management.

● Converts UART(3.3V TTL) to wifi or Ethernet
● Supports TCP server/client, UDP server/client,https client, Virtual COM
● Supports Modbus RTU to Modbus TCP
● Supports multiple networking mode with 1 RJ45 ethernet port
● 1 TTL Serial Ports Supporting Data Rates of up to 460.8Kbps
● 32 simultaneous client connections to Soft AP interface

Introduction of UART WiFi Modules USR-WIFI232-B2

USR-WIFI232-B2 is an embedded 802.11 b/g/n UART WiFi module. It can connect traditional serial device and MCU controlled device with wifi network to realize control and management.The module has an Ethernet port. It can realize mutual data transmission among wifi, serial and Ethernet.

Features of UART WiFi Modules USR-WIFI232-B2

Support 802.11b/g/n wireless standard

Support TCP/IP/UDP network protocol

Support UART/GPIO/Ethernet data interface

Support work as STA/AP/AP+STA mode

Support router and bridge mode

External antenna

Support transparent transmission mode

Provide AT+ instruction set for configuration

Provide friendly web configuration page

Support heartbeat signal and wifi connection indication

Support UART auto-frame function

3.3V power supply

Max transmission distance: 280 meters (open horizon, 3dbi antenna)

Application Field of UART WiFi Modules USR-WIFI232-B2

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

Function Chart of Serial to WiFi Modules USR-WIFI232-B2

Function Chart of Wifi Modules which can realize mutual data transmission among wifi, serial and ethernet

Function Structure of Serial to WiFi Modules USR-WIFI232-B2

Function Structure of Wifi Modules

Networking Mode of Serial to WiFi Modules USR-WIFI232-B2

AP Mode

Networking Mode of Wifi Modules: ap mode

STA Mode

STA Mode of M2M Wifi Modules, sta mode

AP+STA Mode

AP+STA Mode of M2M Wifi Modules, ap+sta mode

Image of Serial to WiFi Modules USR-WIFI232-B2

Images of Wifi Modules

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