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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 Spacing	10MHZ
Duplex Band Width	1MHZ
Modulation Type	FM 16F3
Operating Voltage	12-14V
Current	standby current  :  0.3A       Rx current : 0.8A      Tx current :3.0A
Frequency Stability	=2.5 PPM
Channel Spacing	25KHZ

Weight

Approx 2kg

2.Specification of Duplexer

Frequency Range (MHZ)	RX:453.5---456.5MHZ   TX:463.5---466.5MHZ
Frequency spacing	10MHZ
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 VSWR	1.5
Operating Temperature Range	-30-----+60°C
Frequency Stability	Approx 2.5ppm/°C
Matched Impedance	50O
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 FO	6±3dB
Audio Output Power	4.0W

Audio Distortion	<5%
Working Mode	receiving mode
Transmitter
Output Power	5-10W
Spurious Radiation	=80dB
Residual Modulation	-45dB
Audio Distortion	<5%
Max Modulation	5KHZ
Pre-emphasis Frequencies	6±3dB
Working Mode	Transmitting 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 ).

 

 

 

 

 

size

 

 

 

accessories

 

 

 

 

packing