Handbook

Axell Wireless Limited
Technical Literature
WMATA CRCS Redundant Antenna System
General Overview
Document Number 60-228701HBK Issue No. 3 Date 28/05/2010 Page 28 of 114
4.4.1. Quadplexer (Base) 60-228706 Major Sub-Components
Component
Part
Part Description Qty Per
Assembly
02-013401 Bandpass Filter 2
02-016801 Bandpass Filter 2
90-852330 30dB Directional Coupler 1
4.4.2. Quadplexer (Base) 60-228706 Specification
PARAMETER SPECIFICATION
Band 1 D/L (Base port to port A)
Frequency Range
489.5-491.0 MHz
Rejection
492.5-494.0 MHz > 65 dB
Insertion Loss
3.0 dB
Band 1 U/L (port B to Base port)
Frequency Range
492.5-494.0 MHz
Rejection
489.5-491.0 MHz > 40 dB
496.3-496.7 MHz > 65 dB
Insertion Loss
3.0 dB
Port B to Monitoring port
33dB ±1 dB
Band 2 D/L (Base port to port C)
Frequency Range
496.3-496.7 MHz
Rejection
492.5-494.0 MHz > 65 dB
499.3-499.7 MHz > 60 dB
Insertion Loss
3.0 dB
Band 2 U/L (port D to Base port)
Frequency Range
499.3-499.7 MHz
Rejection
496.3-496.7 MHz > 75 dB
Insertion Loss
3.0 dB
Port D to Monitoring port
33dB ±1 dB