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ClearGain
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Tower-Mounted Amplifiers
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DD1900 Full Band Typical Specifications
ELECTRICAL
Nominal Impedance of RF Inputs and Outputs:
50 Ohm
Frequency Range
TX: 1930-1990 MHz
RX: 1850-1910 MHz
Passband (RX)
Gain: 12 dB
Noise Figure: 1.6 dB
Dynamic Range
Input at 1 dB Gain Compression: +3 dBm
IIP3: +13 dBm
Max Input Power: +10 dBm
1915 MHz Rejection: <15 dB
1916 MHz Rejection: <30 dB
Bypass Inserion Loss: 2.0 dB
Isolation in Tx Path: 80 dB
Rejection 824-894 MHz: 80 dB
Insertion Loss of TX Path (TX to Antenna):
.4 dB
Passband Return Loss
TX Band: >18 dB
RX Band: >18 dB
Intermodulation:
-120 dBm
Maximum Input Power (RMS Power):
250 W
Tx Filter Rejection in Rx Band:
40 dB
POWER
Operational Voltage:
7 to 15 Vdc
Operational Current:
140 ± 10 mA
Alarm Current Level:
350 ± 20 mA
PHYSICAL
Dimensions (HxWxD):
297 mm x 287 mm x 70 mm
Weight:
5.5 kg (12.1 lbs.)
Color:
Silver
Housing:
Aluminum
CONNECTORS
Antenna Connector:
7/16 DIN female
BTS Connector:
7/16 DIN female
ENVIRONMENTAL
Operating Temperature:
-40ºC to +60ºC
Lightning Protection:
IEC61000-4-5
Vibration
Storage: ETS3019-1-1
Transport: ETS3019-1-2
Operation: ETS3019-1-3
REGULATORY
EMC:
ETS300 342-2
APPROVALS
FCC:
Part 15, Class A
UL:
1950
QUALITY
MTBF:
900,000 hours
ClearGain
®
Tower-Mounted Amplifiers
Americas