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Multi Channel FM Transceiver & Wireless Modem WD889/WD250 - Quality Products from China Suppliers and Factory
WD889: 25W Size: (L x W x H) 137x135x44mm
WD250: 20W Size: (L x W x H) 124.7x76x34mm
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
- 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
- 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
- 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 do these Modems support?
All the featured Modems (MD1200, MD4800, MD19200, and MD38400) support versatile communication interfaces including RS232, RS485, and TTL, allowing seamless integration with various industrial systems.
What is the operating temperature range for these devices?
These modems are designed for industrial-grade environments and can operate reliably within a wide temperature range of -40℃ to +70℃.
Which adapter models are compatible with these modems?
Depending on the specific modem model, they are compatible with adapters such as the 250A, WD889, WD886, 250G, and 258G. Please refer to the specific model's specifications above for exact compatibility.
What is the Bit Error Rate (BER) performance of these modems?
All these modems feature an exceptional Bit Error Rate (BER) of 10-7 under a Signal-to-Noise Ratio (S/N) of 20dB, ensuring highly reliable and accurate data transmission.
What data transmission modes are supported by the MD series modems?
The MD1200 Modem operates in transparent data transmission mode, while the MD4800, MD19200, and MD38400 Modems support both transparent and intelligent data transmission modes.