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 55 of 114
4.9.1. Quadplexer (DAS) 60-228706 List of 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
4.9.2. Quadplexer (DAS) 60-228706 Specification
PARAMETER SPECIFICATION
Band 1 D/L (port A to DAS port)
Frequency Range
489.5-491.0 MHz
Rejection
492.5-494.0 MHz > 65 dB
Insertion Loss
≤ 3.0 dB
Port A to Monitoring port
33dB ±1 dB
Band 1 U/L (DAS port to port B)
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
Band 2 D/L (port C to DAS port)
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
Port C to Monitoring port
33dB ±1 dB
Band 2 U/L (DAS port to port D)
Frequency Range
499.3-499.7 MHz
Rejection
496.3-496.7 MHz > 75 dB
Insertion Loss
≤ 3.0 dB