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ClearGain
®
Tower-Mounted Amplifier
5
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ClearGain
®
Tower-Mounted Amplifier
Europe, Middle East, Africa
DD900 FullBand Masthead Unit Typical Specifications
ELECTRICAL SPECIFICATIONS
Nominal Impedance of RF Inputs and Outputs: 50 Ohm
Frequency Range
TX: 925 - 960 MHz
RX: 880 - 915 MHz
Duplex Filter Bandwidth: 35 MHz
Passband (RX)
Gain: 12 dB ±0.6 dB
Noise Figure: 1.4 dB typical; 1.5 dB maximum
Dynamic Range
Input at 1 dB Gain Compression: +3.0 dB minimum
IIP3: +13 dBm minimum
Insertion Loss of TX Path (TX to Antenna): 0.7 dB maximum
FILTER SPECIFICATIONS
Passband Return Loss
TX Band: 18 dB minimum
RX Band: 18 dB minimum
Intermodulation
115 dBm
Maximum Input Power at Each BTS Input
RMS Power: 200 W
Peak Power: 5 kW
Duration: 20 microseconds
Period Between Peaks: 550 microseconds
Peak Voltage at TX Input: 130 V
Input Power at Antenna Connector: +10 dBm maximum
Fault Management: Bypass
POWER SPECIFICATIONS
Operational Voltage: 7 to 15 Vdc
Operational Current: 140 mA ±10mA
Alarm Current Level: 350 mA ±10mA
PHYSICAL SPECIFICATIONS
Dimensions: 332 mm x 250 mm x 84 mm (13 in x 9.8 in x 3.3 in)
Weight: 6.6 kg (14.5 lb)
Material: Aluminum
Color: Silver
ENVIRONMENTAL
Temperature Range: -40°C to +65°C
Outdoor Protection: IP65
QUALITY
MTBF: 900,000 hours
Lightning Protection:
IEC61000-4-5
REGULATORY
Safety: EN60950
EMC: ETS300 342-2
Storage: ETS3019-1-1
Transport: ETS3019-1-2
Operation: ETS3019-1-4
APPROVALS CE