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. 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 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 Version 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: 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 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 Different batches may have different appearance, which does not affect use. Colour:Black Material:PCB+electronic components Package Contents: 1 x UART to WiFiModule Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.