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WD889/WD250 Multi Channel FM Transceiver & Wireless Modem

    WD889
    WD889:25W Size: (L x W x H)137x135x44mm
    WD250
    WD250:20W Size: (L x W x H)124.7x76x34mm
    MD1200 MODEM
    MD1200 MODEM
    Data transmission mode: Transparent
    Modulation mode: FSK (f1=1.3KHz f2=2.1KHz)
    Transmission rate: 75-1200bps self-adaption
    BER: 10-7(S/N=20dB)
    Communication interface: RS232/RS485/TTL
    Temperature: -40℃~+70℃  
    Voltage: DC+7~+15V or +5V
    Current: RS232: <30mA; RS485: <60mA
    Installation size: 59.5x39.3mm
    Adapter model: 250A/WD889/WD886 etc.
    MD4800 MODEM
    MD4800 MODEM
    Data transmission mode: Transparent/Intelligent
    Modulation mode: FFSK
    Wireless transmission rate: 1200/2400/4800bps
    Interface transmission rate: 1200/2400/4800/9600bps
    Address code/Data format: Programmable setting
    BER: 10-7(S/N=20dB)
    Communication interface: RS232/RS485/TTL
    Temperature: -40℃~+70℃
    Voltage: DC+7~+15V or +5V
    Current: RS232: <30mA; RS485: <60Ma
    Installation size: 59.5x39.3mm
    Adapter model: 250A/WD889/WD886 etc.
    MD19200 MODEM
    MD19200 MODEM
    Data transmission mode: Transparent/Intelligent
    Modulation mode: GMSK/CPFSK
    Wireless transmission rate: 9600/19200bps
    Interface transmission rate: 1200/2400/4800/9600/19200bps
    Address code/Data format: Programmable setting
    BER: 10-7(S/N=20dB)
    Communication interface: RS232/RS485/TTL
    Temperature: -40℃~+70℃
    Voltage: DC+7~+15V
    Current: <40mA
    Size (L x W): 60x50mm
    Adapter model: 250A/889/886/250G/258G etc.
    MD38400 MODEM
    MD38400 MODEM
    Data transmission mode: Transparent/Intelligent
    Modulation mode: GMSK/CPFSK
    Wireless transmission rate: 38400bps
    Interface transmission rate: 38400bps
    Address code/Data format: Programmable setting
    BER: 10-7(S/N=20dB)
    Communication interface: RS232/RS485/TTL
    Temperature: -40℃~+70℃
    Voltage: DC+7~+15V
    Current: <40mA
    Size (L x W): 60x50mm
    Adapter model: 250A/889/886/250G/258G etc.