Product Main

Quick Details

Place of Origin: China (Mainland)
Brand Name: L-TEL
Model Number:
Working frequency: 380-490MHZ/ customized
Gain: 60-90dB
Noise figure: 5dB
Power supply: AC220V or DC48V

Specifications

Apply to UHF interphone communication system or TETRA digital trunking communication system signal coverage extension. This is also known as " UHF wireless BDA" .
 
Product Features:
1.Advanced and scientific design of low noise circuit, high sensitivity
2.ALC Automatic Control and reflex protection circuit, prevent accidental burnout
3.Adopting advanced LDMOS power amplifier with high linearity and low intermodulation, the linearity and intermodulation indexes of whole machine are excellent.
4.Perfect Local and remote network monitoring, has initiative alarm function, and parameters can be inquired and set.
5.Supply charging power and backup battery to ensure fault information timely report in time of machine outage, convenient for timely maintain,
6.Crate accord with IP55 protection and high heat-dissipation design, able to work outdoor all-weather.
 
Technical parameters:
Item
Technology Indexes
Remark
uplink
downlink
Working frequency (MHz)
380-490
Select according to the need
Gain(dB)
60-90
60-90
Select according to the need
Output power (W)
0.5-5
0.5-20
Select according to the need
ALC (dBm)
△Po≤±1
 
Noise factor (dB)
≤5
The forward is not required
Ripple in the band (dB)
≤2
 
Frequency tolerance (ppm)
≤0.05
 
Transmission delay (us)
≤5
 
Gain adjustment range (dB)
≥25
 
Gain adjustment linearity
 (dB)
10dB
±1
 
20dB
±1
 
30dB
±1.5
 
Intermodulation Reduction
≤-45dBc
 
Out Band Stray
≤-36dBm
 
≤-30dBm
 
Out Band Rejection
≥30
 
≥45
 
≥55
 
VSWR
1.5
 
1.4
 
Power supply
AC220V or DC48V