LAN UDP to RF433MHz Wireless Transmitter Module

    The complete includes:
    - One UDP LAN Wireless to RF433MHz Transmitter Module
    - One Rotating Rubber Antenna

    Manufacturer:
    KMTronic LTD

    Model:
    RFUDP

    Features:
    - Control KMtronic RF433MHz relays via Internet.
    - UP to 120 relay channels (15 x 8 RF433MHz Eight Channel Relay Board )

    Supply:
    Requires external 12 volt DC / 500mA power supply

    Standby current:
    - 58mA

    Dimensions:
    110 mm / 55 mm / 25 mm

    Default:
    IP address: 192.168.1.199
    Webserver Port: 80 (for initial configuration with username/password)
    Subnet Mask: 255.255.255.0
    Default Gateway: 192.168.1.1
    UDP Port: 12345
    Username: admin
    Password: admin

    Reset to Default Settings:
    Hold Reset button for 10 seconds

    Wireless Data Transmittion Module:
    CC1101 Low-Power RF Transceiver
    (Texas Instruments)

    Commands (ID01):
    FIRST channel commands:
    OFF command : FF 01 00 (HEX) or 255 1 0 (DEC)
    ON command : FF 01 01 (HEX) or 255 1 1 (DEC)
    ...
    EIGHT channel commands:
    OFF command : FF 08 00 (HEX) or 255 8 0 (DEC)
    ON command : FF 08 01 (HEX) or 255 8 1 (DEC)

    Status read (ID01):
    Command - FF A1 00
    Reply - FF A1 xx xx xx xx xx xx xx xx
    where xx is: 00 if relay is OFF, 01 if relay is ON

    Distance:
    In open area max 350 meters

    UDP Test Software example including source code (C#):

KMTronic UDP Test Software.zip
KMTronic UDP Test Software Source Code.zip