UHF Repeater with BJ-851 16 Memory Channels
1.10MHz frequency spacing in 400-470MHz
2.16 memory channels
3.For Walkie Talkie
Small Power UHF Repeater with 16 Memory Channels BJ-851 BJ-851 Repeater for Walkie Talkie
Current:
Standby current: 0.3A
Rx current: 0.8A
Tx current: 3.0A
Frequency stability: ≥2.5PPM
Channel spacing: 25/12.5kHz
Weight: 3kg
Output power: 10W (maximum)
Receiving end insertion loss: ≤2dB
Transmitting end insertion loss: <1.5dB
Transmitting/receiving end isolation: ≥60dB
VSWR: 1.5 (maximum)
Operating temperature range: -30 to 60°C
Frequency stability: 2.5PPM/°C
Matched impedance: 50Ω
Receiver:
Simplex sensitivity: ≥0.3uV (12dB SINAD)
Duplex sensitivity: <3dB
Squelch sensitivity: ≥0.2uV
Selectivity: -70dB
Spurious radiation: -75dB
Inter modulation rejection: -75dB
Residual noise: -45dB
DEMP FO: 6 ± 3dB
Audio output power: 4.0W
Audio distortion: <5%
Working mode: receiving
Transmitter:
Output power: 5 to 10W
Spurious radiation: ≤80dB
Residual modulation: -45dB
Audio distortion: <5%
Modulation: 5kHz (maximum)
Pre-emphasis frequency: 6 ± 3dB
Working mode: transmitting
CPU controller:
Receiving/transmitting frequency setting
Automatic repeater setting
PC programming
CTCSS and DCS General
Frequency Range:
400-470 MHZ
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 3kg
Specification of Duplexer
Frequency Spacing (MHz):
10MHz
Max Output Power (W):
10W
Receiving End Insertion loss (dB):
≤2dB
Transmitting End Insertion loss (dB):
<1.5dB
Transmitting-Receiving End Isolation (dB)
≥60dB
Max VSWR:
1.5
Operating Temperature Range:
-30-----+60°C
Frequency Stability:
Approx 2.5PPM/°C
Matched Impedance:
50Ω
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
Receiving-Transmitting Frequency Setting
Automatic Repeater Setting
PC Programming
CTCSS and DCS