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Apply to TETRA digital trunking communication system (TETRA, GOTA, and IDEN) signal coverage extension.
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) |
806-821 |
851-866 |
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 |
|
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