0102030405
WD889/WD250 Multi Channel FM Transceiver & Wireless Modem

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.