User Manual

PBL UHF 1 & 2 Air Interface
Maintenance Handbook
H/book Number:-60-055900HBKM
Issue No:-1
Date:-13/02/2003
Page:-17 of 17
3.2.2 UHF ONE to Location TWO Technical Specification
Frequency Range:
Downlink Channels:
470.2125MHz
470.2625MHz
482.2375MHz
Uplink Channels:
473.2125MHz
473.2625MHz
485.2375MHz
Band Width:
Downlink :15kHz
Uplink : 25kHz
No. of Paths 2
Downlink Gain 82 dB min
Uplink Gain 80 dB min
RF Connector N type female
RF Impedance
50
Ω
VSWR Better than 1.5:1
Gain Adjustment 0 to 30dB in 2dB steps
Downlink PA
470.2125MHz, 470.2125MHz: 5WClass A Linear PA
482.2375MHz :20W Class A Linear PA
Uplink PA
485.2375MHz : 1W Class A Linear
473.2625MHz, 473.2125MHz : 5W Class A Linear
Duplexer UP/DN Isolation >80 dB
Passband Ripple <±1.5 dB
Noise Figure Downlink <7dB at maximum gain
Noise Figure Uplink <12dB
In-Band Spurious
Better than –13dBm downlink
Better than –13dBm uplink
(measure with 30KHz BW with max gain setting)
Out-band Spurious up to
3GHz
Better than –90dBc