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Multi Channel FM Transceiver & Wireless Modem WD889/WD250 - Top China Suppliers & Factory Solutions

Discover high-quality products directly from China, where we collaborate with reliable suppliers and state-of-the-art factories. Our extensive network enables us to provide you with exceptional goods that meet the highest standards. When you choose us, you benefit from our commitment to excellence, as we ensure that every product is crafted with precision and care. Explore our wide range of offerings and experience the best that China has to offer, all backed by our trusted suppliers and efficient manufacturing processes. Elevate your business with products sourced from the premier factories in China today!
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    Product Detail

    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: 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: Transparent/Intelligent
    Modulation Mode: FFSK
    Wireless Rate: 1200/2400/4800bps
    Interface Rate: 1200/2400/4800/9600bps
    Address Code/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: Transparent/Intelligent
    Modulation Mode: GMSK/CPFSK
    Wireless Rate: 9600/19200bps
    Interface Rate: 1200/2400/4800/9600/19200bps
    Address Code/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: Transparent/Intelligent
    Modulation Mode: GMSK/CPFSK
    Wireless Rate: 38400bps
    Interface Rate: 38400bps
    Address Code/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.
    Frequently Asked Questions
    What communication interfaces are supported by these modems?
    All the listed modem models (MD1200, MD4800, MD19200, and MD38400) support RS232, RS485, and TTL communication interfaces, ensuring wide compatibility with various industrial terminals.
    What is the operating temperature range for these devices?
    These modems are engineered for industrial environments and can reliably operate in temperatures ranging from -40℃ to +70℃.
    What are the differences in wireless transmission rates among the models?
    The wireless transmission rates vary by model: MD1200 supports 75-1200bps self-adaption; MD4800 supports 1200/2400/4800bps; MD19200 supports 9600/19200bps; and MD38400 provides a high-speed wireless rate of 38400bps.
    What power supply voltage do these modems require?
    The MD1200 and MD4800 models support DC +7V to +15V or +5V, while the MD19200 and MD38400 models operate on DC +7V to +15V.
    Which adapter models can be used with these modems?
    Depending on the modem model, compatible adapters include the 250A, WD889, WD886, 250G, and 258G, allowing for flexible integration into existing hardware systems.