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  • Üyelik Tarihi: 01-11-2018
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İletişim Bilgileri
Web Sitesi: http://www.bjtwowayradios.com/walkie-talkie/digital-walkie-talkie/
E-Posta: sdffg9 - E-Posta Gönder
 
sdffg9, Hakkında Kişisel Bilgiler
Konum: Belirtilmemiş
Hakkında: Mini UHF duplexer repeater 10mhz spacing for walkie talkie BJ-851


1.Specification of repeater

General
Frequency Range:400-490 MHZ ( Frequency spacing :10MHz)
Frequency Spacing10MHZ
Duplex Band Width1MHZ
Modulation TypeFM 16F3
Operating Voltage12-14V
Currentstandby current : 0.3A Rx current : 0.8A Tx current :3.0A
Frequency Stability≥2.5 PPM
Channel Spacing25KHZ
Weight Approx 2kg

2.Specification of Duplexer
Frequency Range (MHZ)RX:453.5---456.5MHZ TX:463.5---466.5MHZ
Frequency spacing10MHZ
Max Output Power (W)10W
Receiving End Insertion loss (dB)≤2dB
Transmitting End Insertion loss (dB)<1.5dB
Transmitting-Receiving End Isolation (dB) ≥65dB
Max VSWR1.5
Operating Temperature Range-30-----+60°C
Frequency StabilityApprox 2.5ppm/°C
Matched Impedance50Ω
Receiver
Simplex Sensitivity≥0.3uv(12dB SINAD)
Duplex Sensitivity<3dB
Squelch Sensitivity≥0.2uv
Selectivity-70dB
Spurious Radiation-75dB
Intermodulation Rejection-75dB
Residual Noise-45dB
DEMP FO6±3dB
Audio Output Power4.0W
Audio Distortion<5%
Working Modereceiving mode
Transmitter
Output Power5-10W
Spurious Radiation≤80dB
Residual Modulation-45dB
Audio Distortion<5%
Max Modulation5KHZ
Pre-emphasis Frequencies6±3dB
Working ModeTransmitting Mode
CPU Controller
Automatic Repeater Setting
MIC and PTT control
PC Programming
CTCSS and DCS

Note:1.the repeater have MIC ,but it not standard accessories
2.the repeater just can do 10mhz ,you should choose 10mhz from 400-490mhz ,like 410-420mhz,422-432mhz,445-455mhz and so on.
3.the repeater software just can change channels frequency and CTCSS .but the factory should be in factory setting . if the repeater is finished ,you will can not change the frequency(like 410-420mhz,422-432mhz).
4.the repeater need antenna .the antenna need to put in the highest place ,the signal will be good.
5.the repeater need a cable to contact the antenna .the cable can not too long ,the cable will reduce the repeater power.
cable need -9 (is good ).





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High quality Digital Walkie Talkie
website:http://www.bjtwowayradios.com/walkie-talkie/digital-walkie-talkie/
Cinsiyet: Belirtilmemiş