Wd889/Wd250 Multi Channel FM Transceiver & Wireless Modem

• Certification: ISO, CE
• Condition: New
• Work Mode: Transparent
• Usage: Radio
• Information Content: Text, Picture, Video, Audio, Data
• Type: Td-Cofdm, Bpsk/Qpsk/16qam/64qam/256qam Adaptive
• Model NO.: WD889/WD250
• Transport Package: Box
• Specification: Enclosed/Module
• Trademark: WDS
• Origin: China
• HS Code: 8517708000
• Production Capacity: 10000

Product Description

WD889/WD250 Multi Channel FM Tranceiver & Wireless Modem

----Fully compatible with NISSEI's radio(Rainbow) and GrandComm's radio

 

1. Data transmission mode: Transparent
2. Modulation mode: FSK(f1=1.3KHz f2=2.1KHz)
3. Transmission rate: 75-1200bps self-adaption
4. BER: 10-7(S/N=20dB)
5. Communication interface: RS232/RS485/TTL
6. Temperature: -40ºC~+70ºC  
7. Voltage: DC+7~+15V or +5V
8. Current: RS232: <30mA; RS485: <60mA
9. Installation size: 59.5 x 39.3mm
10.Adapter model: 250A/WD889/WD886 etc

 

1. Data transmission mode: Transparent/Intelligent
2. Modulation mode: FFSK
3. Wireless transmission rate: 1200/2400/4800bps
4. Interface transmission rate: 1200/2400/4800/9600bps
5. Address code/Data format: Programmable setting
6. BER: 10-7(S/N=20dB)
7. Communication interface: RS232/RS485/TTL
8. Temperature: -40ºC~+70ºC
9. Voltage: DC+7~+15V or +5V
10. Current: RS232: <30mA; RS485: <60Ma
11. Installation size: 59.5 x 39.3mm
12. Adapter model: 250A/WD889/WD886 etc    

 

1. Data transmission mode: Transparent/Intelligent
2. Modulation mode: GMSK/CPFSK
3. Wireless transmission rate: 9600/19200bps
4. Interface transmission rate: 1200/2400/4800/9600/19200bps
5. Address code/Data format: Programmable setting
6. BER: 10-7(S/N=20dB)
7. Communication interface: RS232/RS485/TTL
8. Temperature: -40ºC~+70ºC
9. Voltage: DC+7~+15V
10. Current: <40mA
11. Size(L x W): 60 x 50mm
12. Adapter model: 250A/889/886/250G/258G etc

 

1. Data transmission mode: Transparent/Intelligent
2. Modulation mode: GMSK/CPFSK
3. Wireless transmission rate: 38400bps
4. Interface transmission rate: 38400bps
5. Address code/Data format: Programmable setting
6. BER: 10-7(S/N=20dB)
7. Communication interface: RS232/RS485/TTL
8. Temperature: -40ºC~+70ºC
9. Voltage: DC+7~+15V
10. Current: <40mA
11. Size(L x W): 60 x 50mm
12. Adapter model: 250A/889/886/250G/258G etc

 

WD889/WD250 FM Tranceiver /Data Radio Technical Specification

General specification

Project	Specification
Frequency Range	220.00 ~ 240.00MHz
Storage Channel	48channel, half duplex
Channel Spacing	25KHz/12.5KHz
Bandwidth	20MHz (In this frequency bandwidth to ensure that the indicators)
Modulation Format	16K0F3D(E)
Operating Voltage	+13.8(Between +10V ~ +16V to ensure the normal work.)
Antenna Impedance	50Ω
Loudspeaker Impedance	8Ω
Transmitter Start Time	≤5ms
Temperature Range	-40ºC~+70ºC
Size	WD889:44.0x135x137mm               WD250:124.7X76X34mm
Weight	WD889:720g            WD250:365g

 Transmitter

Project	Specification
Radio Frequency Output Power	WD889: 2W/5W/10W/15W/25W (Programmable setting) WD250: 1W/2W/5W/10W/20W (Programmable setting)
Clutter Emission	≥70dB
Maximum Modulation Frequency Offset	±5KHz
Audio Harmonic Distortion	≤2%
MIC Modulation Sensitivity	3.5~14mV
Data Signal Modulation Frequency Offset	(Input signal: 1KHz,250mV) ±4KHz
Frequency Stability	±1.5ppm(-30ºC~+70ºC)
Emission Time Limit	30~1200S
Emission Current	WD889  25W:≤4.5A  WD250 : ≤1.6A  (13.8V,10W)    ≤3.2A(13.8V,20W)
Noise And Hum	≥45dB

Receiver

Project	Specification
Sensitivity	≤0.20μV(12dB SINAD)
Stray And Mirror Resistance	≥75dB
Adjacent Channel Selectivity	≥70dB
Intermodulation Resistance	≥70dB
Snr	≥50dB
Audio Output Power	1.3W (8Ω 10% distortion)
Distortion Rate	≤4%(When output power is 1W)
Current	≤55mA
Data Signal(Rfsk)	180±20mV

Data transmission part

Project	Specification
Communication Interface	RS232,RS485 or TTL
Communication Interface Definition	CD,RXD,TXD,RTS,DTR,CTS,GND
Transmission Rate	300-1200bps self-adaption, or 1200/200/4800/9600/19200Programmable setting
Modulation Mode	FSK/FFSK/MSK/GMSK
Address Code	Self address code & Common address code(Programmable setting)
Relay Function	Please refer to the company for the use of this function
Ber	≤10-6@-107dBm2400bps