WIFI232-B2

  • תיאור

    M2M WiFi Module, External Antenna

    WIFI232-B2 is an embedded 802.11 b/g/n M2M wifi module, with External Antenna. It can connect traditional serial device and MCU controlled device with wifi network to realize control and management.

    • 1 TTL Serial Ports Supporting Data Rates of up to 460.8Kbps
    • 580MHz Frequency
    • 32 simultaneous client connections to Soft AP interface
    • External antenna

    Certifications

    Features

    Introduction of M2M Wifi Modules

    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.The module has an Ethernet port. It can realize mutual data transmission among wifi, serial and Ethernet.

     

    Features of M2M Wifi Modules

    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 M2M Wifi Modules

    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 M2M Wifi Modules

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

     

    Function Structure of M2M Wifi Modules

    Function Structure of Wifi Modules

     

    Networking Mode of M2M Wifi Modules

    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 M2M Wifi Module

    Images of Wifi Modules

  • Product Specification

    Wireless Parameters
    CertificationFCC/CE
    Wireless Standard802.11 b/g/n
    Frequency Range2.412GHz-2.484GHz
    Transmit Power802.11b: +20dBm (Max.)
    802.11g: +18dBm (Max.)
    802.11n: +15dBm (Max.)
    Configurable
    Receive Sensitivity802.11b: -89dBm
    802.11g: -81dBm
    802.11n: -71dBm
    AntennaExternal: I-PEX connector
    Hardware Parameter
    Data InterfaceUART: 300bps~460800bps
    Ethernet: 10Mbps/100Mpbs
    GPIOs
    Working Voltage3.3V (+/-5%)
    Working CurrentAP: 169mA (average), 305mA (peak)
    STA: 164mA (average), 197mA (peak)
    Working Temp.-40°C ~ 85°C
    Storage Temp.-40°C- 125°C
    Size25mm x 40mm x8mm
    Software Parameter
    Wireless Network TypeStation/AP mode
    Security MechanismWEP/WPA-PSK/WPA2-PSK
    Encryption TypeWEP64/WEP128/TKIP/AES
    Work ModeTransparent transmission mode, serial command mode
    Setting CommandAT+ instruction set
    Network ProtocolTCP/UDP/ARP/ICMP/DHCP/DNS/HTTP
    Max. Client Number in TCP Server Mode32
    User ConfigurationWeb server+AT command config
    Client Application SoftwareClients can customize application software
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