User Manual

PBL UHF 1 & 2 Air Interface
Maintenance Handbook
H/book Number:-60-055900HBKM
Issue No:-1
Date:-13/02/2003
Page:-20 of 20
3.2.5 800MHz Bi-directional Amplifier to Location TWO Technical Specification
Frequency Range: Downlink Channels:
857.9375MHz
859.7625MHz
Uplink Channels:
812.9375MHz
814.7625MHz
Band Width: Downlink :15kHz
Uplink : 25kHz
No. of Paths: 2
No. of RF Ports: 2
No. of Fibre Connections: N/A
RF Connector: N type female
RF Impedance:
50Ω
VSWR: Better than 1.5:1
Downlink Gain: 78 dB min
Uplink Gain: 80 dB min
Gain Adjustment: 0 to 30 in 2dB steps
Downlink PA: 5W Class A Linear
Downlink Power: 2 Carriers at +18dBm
Uplink PA: 5W Class A Linear
Uplink Power: 2 Carriers at +18dBm
Duplexer UP/DN Isolation: >80 dB
Passband Ripple: <±1.5 dB
Noise Figure: Uplink <6 dB at maximum gain
Downlink <5 dB at maximum gain
In-Band Spurious: Better than –13dBm downlink
Better than –13dBm uplink
(measure with 30KHz BW with max gain setting)
MTBF: >50,000 hours
Supply Input Voltage: 110V AC
Alarms Fitted: Alarm:- Volts free contacts
Alarm indicator:- Red LED
Power Indicator:-Green LED
Door Intrusion:- Magnetic proximity switch