WIFI232-B2

Serial UART TTL Wifi Module External Antenna
  • Description

    WIFI232-B2 is an embedded 802.11 b/g/n wifi module. It can connect traditional serial device and MCU controlled device with wifi network to realize control and management. And the module can realize bidirectional transparent data transmission between serial and wifi network with simple setup.

    Features of WIFI Module

    • 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 connnection indication
    • Support UART auto-frame function
    • 3.3V power supply
  • Product Specification

    Wireless Parameters
    Certification FCC/CE
    Wireless Standard 802.11 b/g/n
    Frequency Range 2.412GHz-2.484GHz
    Transmit Power 802.11b: +17dBm (Max.)
    802.11g: +16dBm (Max.)
    802.11n: +15dBm (Max.)
    Configurable
    Receive Sensitivity 802.11b: -89dBm
    802.11g: -76dBm
    802.11n: -74dBm
    Antenna External: I-PEX connector
    Hardware Parameter
    Data Interface UART: 300bps~460800bps
    Ethernet: 10Mbps/100Mpbs
    GPIOs
    Working Voltage 3.3V(+/-5%)
    Working Current 170mA ~350mA
    Working Temp. -40°C ~ 85°C
    Storage Temp. -40°C- 125°C
    Size 25mm x 40mm x8mm
    Software Parameter
    Wireless Network Type Station/AP mode
    Security Mechanism WEP/WPA-PSK/WPA2-PSK
    Encryption Type WEP64/WEP128/TKIP/AES
    Work Mode Transparent transmission mode, serial command mode
    Setting Command AT+ instruction set
    Network Protocol TCP/UDP/ARP/ICMP/DHCP/DNS/HTTP
    Max. TCP Connection 32
    User Configuration Web Server+AT command config
    Client Application Software Clients can customize application software
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