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WD889/WD250 Multi Channel FM Transceiver & Wireless Modem from China Suppliers and Factory - High-Quality Communications Solution

Introducing our premium selection of products, crafted with precision and care in China. As a leading manufacturer, we collaborate with top suppliers to ensure the highest quality and reliability. Our factory utilizes advanced technology and skilled craftsmanship to meet the diverse needs of our customers. Whether you are looking for innovative designs or durable materials, our products are designed to exceed your expectations. Experience the best of China’s manufacturing expertise and partner with us today for unmatched quality and service. Choose us as your trusted supplier and elevate your business with products that stand out in the marketplace
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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 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.
    Frequently Asked Questions
    What communication interfaces are supported by these modems?
    All featured modems (MD1200, MD4800, MD19200, and MD38400) support RS232, RS485, and TTL communication interfaces, providing flexible compatibility for industrial data transmission systems.
    What is the operating temperature range for the MD series modems?
    The MD series modems are designed for industrial applications and operate reliably within a wide temperature range of -40℃ to +70℃.
    Which adapter models are compatible with these modems?
    Depending on the model, compatible adapters include the 250A, WD889, WD886, 250G, and 258G series, allowing for seamless system integration.
    What is the Bit Error Rate (BER) performance of these data transmission modems?
    The MD series modems feature a low Bit Error Rate (BER) of 10^-7 at a signal-to-noise ratio (S/N) of 20dB, ensuring high-quality, stable, and accurate signal transmission.
    How do the modulation modes differ between the MD1200, MD4800, MD19200, and MD38400?
    The MD1200 uses FSK modulation; the MD4800 utilizes FFSK; while the higher-speed MD19200 and MD38400 models employ GMSK/CPFSK modulation to achieve higher transmission efficiency.