Serial UART WiFi Module, Modbus RTU, two Ethernet port

Serial UART WiFi Module, Modbus RTU, two Ethernet port

Model: USR-WIFI232-D2b

USR-WIFI232-D2b Serial UART WiFi Module, Modbus RTU, which supports two Ethernet port. Data transferred between serial to wifi or wifi to ethernet.
  • Modbus RTU to Modbus TCP
  • Two Ethernet Port, support WIFI to Ethernet
  • 32 simultaneous client connections to Soft AP interface

Serial UART WiFi Module, Modbus RTU, two Ethernet port

General Details

Introduction of  UART WiFi Modules

USR-WIFI232-D2b UART WiFi Modules with two ethernet port which need connect with external antenna. Embedded 802.11 b/g/n Wi-Fi modules supports serial to LAN/Wi-Fi, LAN to Wi-Fi or LAN to LAN transmission. The module can realize bidirectional transparent data transmission between COM and TCP/IP network

UART WiFi Modules USR-WIFI232-D2b

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Industrial Solution -40C~85C
Ethernet Port Two RJ45 Port, WIFI to Ethernet converter
High Performance Working frequency 580Mhz, 2MB Flash
Built-in Webpage Configure Parameters ,Web IO
HTTPD Client Sends serial data in HTTP format to HTTP server
TCP Server Supports max 32 Client to be connected
Flow Control CTS/RTS

Features of  UART WiFi Modules

  • Support IEEE802.11b/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/internal antenna
  • Support transparent transmission mode
  • Support AT+ instruction set for configuration
  • Support friendly web configuration page
  • Support palmodic signal
  • Support UART auto-frame function
  • Single +3.3V power supply
  • Small Size: 32 x 45 x 8 mm
  • FCC/CE/RoHS/TELEC certificated

Application field of UART WiFi Module

  • 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

Structure of UART WiFi Modules

Structure of UART WiFi Modules

Work Mode of  UART WiFi Modules

1.Application of AP Mode

AP Mode of UART WiFi Modules

2.Application of STA Mode

STA Mode of UART WiFi Modules

3.Application of AP+STA Mode

AP+STA Mode of UART WiFi Modules

 

 

Images of WiFi Modules with ethernet port

WiFi Modules with ethernet port

Specifications

Wireless Parameters  
Wireless Standard 802.11 b/g/n
Transmit Power 802.11b: +20dBm (Max.)
802.11g: +18dBm (Max.)
802.11n: +15dBm (Max.)
Configurable
Receive Sensitivity 802.11b: -89 dBm
802.11g: -81dBm
802.11n: -71dBm
Frequency Range 2.412GHz-2.484GHz
Certification FCC/CE/ROHS/TELEC
Antenna External: I-PEX connector
Internal: on-board antenna
Hardware Parameters  
Data Interface UART: 300bps~460800bps
Ethernet: 100Mpbs
GPIOs
Operating Voltage 3.3V(+/-5%)
Operating Current AP: 226mA (average), 346mA (peak)
STA: 218mA (average), 320mA (peak)
Operating Temp. -40°C~ 85°C
Storage Temp. -40°C- 125°C
Size 32mm x 45mm x8mm
Software Parameters  
Wireless Network Type Station/AP Mode/AP+STA
Security Mechanism WEP/WPA-PSK/WPA2-PSK
Encryption Type WEP64/WEP128/TKIP/AES
Work Mode Transparent transmission, serial command
Setting Command AT+instruction set
Network Protocol TCP/UDP/ARP/ICMP/DHCP/DNS/HTTP
Max. Client Number in TCP Server Mode 32
User Configuration Web Server+AT command config.

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