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Description:
Apply to digital trunking communication system (TETRA, GOTA, IDEN) signal coverage extension.
Product Features:
1.One Donor Unit can link 4 Remote Units at most.
2.Adopting Wavelength Division Multiplexing technology to realize long distance transmission via a fiber.
3.Adopting filter with highly selectivity and low insertion loss eliminates interference between uplink and downlink.
4.Details repeater parameters and status monitor, such as RSSI, temperature, output power level, gain, ATT, return loss, VSWR etc.
5.Configure RS-232 ports to links to laptop for local test.
6. Monitor the Remote Unit via Donor Unit.
7.Can choose SMS, GPRS or TCP/IP for remote monitoring.
Technical parameters:
|
Item |
Technology Indexes |
Remark |
|
|
uplink |
downlink |
||
|
Working frequency (MHz) |
806-821 |
851-866 |
Select according to the need |
|
Output power (dBm) |
0-5 |
27-46 |
Select according to the need |
|
Gain (dB): while optical path loss 10dB |
40-70 |
40-70 |
Select according to the need |
|
Ripple in the band (dB) |
≤3 |
|
|
|
Control point stability(ΔALC) |
While downlink at the maximum power point, input to add 10dB, The output power changes should be kept within 2dB. |
|
|
|
ATT Gain adjustment range (dB) |
≥30 step 1dB |
|
|
|
Noise factor (dB) |
≤4 |
|
|
|
Frequency tolerance (ppm) |
≤0.05 |
|
|
|
Phase peak error (°) |
≤20 |
|
|
|
RMS Phase error (°) |
≤5 |
|
|
|
Intermodulation Reduction (dBc) |
Within Working Bandwidth |
≤-15dBm/ 30KHz |
|
|
Out of Working Bandwidth(departure beyond 2.5MHz) |
≤-36dBm/ 30KHz |
|
|
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Stray Emission (dBm) |
Within Band |
≤-36dBm/ 30KHz |
|
|
9kHz-1GHz |
≤-36 |
|
|
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1GHz-12.75GHz |
≤-30 |
|
|
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input/output Joints Type and Impedance |
N type(Negative) 50 Ohms |
|
|
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VSWR |
≤1.4 |
|
|
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Optical port output optical power |
≥0dBm |
|
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Maximum faultless working time MTBF (H) |
≥50000 hour |
|
|
|
Operational environment |
Operational temperature:-25℃~+60℃;storage temperature:-35℃~+85℃;Relative Humidity:≤95% |
|
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Power requirement |
Nominal Value:220V/50Hz |
|
For Detail Dates: Please Contact Us
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