EXPRESS DAS
Installation and Operations Manual
EXPRESS DAS Installation and Operations Manual – Version 2.2 November 2013
11
2.9
Optic Specifications
Parameter
ODU
OEU
MRU
Optical
Wavelength
Tx: 1310nm
Rx: 1550nm
West optic
Tx: 1550nm, Rx: 1310nm
East optic
Tx: 1310nm, Rx: 1550nm
Tx: 1550nm
Rx: 1310nm
Output power
1.5dBm±1dBm to
MRU/ARU,OEU
1dBm±1dBm to MRU/ARU
7dBm±1dBm to ODU
7dBm±1dBm to ODU
Return loss
<45dB
<45dB
<45dB
Table 2.4 – Optic Wavelength and Laser Power
2.10
Frequency Bands
Frequency Band
Description
Frequency range
Tx(MHz)
Rx(MHz)
700PS
P25/LTE
763 to 775
793 to 805
800PS
Public Safety/Sprint
851 to 869
806 to 824
850C
Cellular
869 to 894
824 to 849
900i
SMR
935 to 940
896 to 901
1900P
PCS
1930 to 1995
1850 to 1915
AWS
AWS-1
2110 to 2155
1710 to 1755
VHF
Public safety
136 to 174
136 to 174
UHF
Public safety (Band1)
396 to 450
450 to 512
396 to 450
450 to 512
700LTE
Long Term Evolution
728 to 757
698 to 716
777 to 787
Table 2.5 – Frequency Bands
Содержание EXPRESS Single-Carrier DAS
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