WiFi RS-232 & RS-422/485 adapter
serial to WiFi converter

WiFi to RS-232


  • Ultra low power for battery powered applications

  • On-line firmware upgrade

  • Support Wi-Fi Protected Setup (WPS) Button

  • Supports Adhoc and infrastructure networking modes

  • Secure Wi-Fi authentication schemes (WEP/WPA/WPA2)

  • Full on board TCP/IP stack (no external drivers required)

  • Real-time clock for time-stamping, auto-sleep, and auto-wakeup modes

  • Configuration over serial or wireless interface using simple ASCII commands

  • Host Data Rate up to 921 Kbps TX, 500 Kbps RX for UART, up to 2Mbps over SPI slave


  • Networking Standards: 802.11b, 802.11g, 802.11n (single stream)

  • Data rates
    - IEEE 802.11b, 1-11Mbps
    - IEEE 802.11g, 6-54Mbps
    - IEEE 802.11n (2.4GHz), 7.2-72.2 Mbps

  • Frequency Band: 2.4GHz

  • Modulation: OFDM, DSSS (Direct Sequence Spread Spectrum), DBPSK, DQPSK, CCK , 16QAM, 64QAM

  • Wi-Fi security: WEP, WPA, WPA2

  • Protocols: DHCP, DNS, ARP, ICMP, FTP client, HTTP client, TCP, UDP

  • Supply voltage: 5V DC

  • Output power: 0dBm to +12dBm

  • Power consumption: 4uA sleep, 35mA active RX, 180mA TX (at +12dBm)

  • Data rate: 464Kbps over UART, up to 1Mbps over SPI slave

  • Operating temperature: -40C to +85C

  • Transmit power
    - +17dBm @802.11b
    - +13dBm @802.11g
    - +11dBm @802.11n

  • Antenna
    - on board PCB antenna
    - external antenna pin, support antenna diversity

  • Dimensions: 95 x 35 x 15 mm

  • White Box Dimension: 11 x 6 x 5 (cm)

  • Total Package Weight: 126 g

Package Contents

  • WiFi RS-232 adapter x 1

  • 2 dBi dipole antenna x 1

  • A4 User manual x 1

  • USB Cable x 1

  • Power cable x 1