Specifications

1900 MHz CDMA Oper ating Frequency Progr amming Information Appendix C: CDMA Oper ating Frequency
1900 MHz CDMA Operating Frequency Programming
Information
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Introduction
Programming of each of the BTS XMIs is performed by the BTS DMI modules over the
Concentration Highway Interface (CHI) bus. This programming data determines the transmit
and receive operating frequencies (channels) for each XMI.
1900 MHz Channels
Figure C -2 shows the total channels for the 1900 MHz frequency spectrum and the channels
allocated to CDMA. The channels used are unique to each customer system.
T able C -3 shows the channel allocations and frequencies covered by the UBS Macro .
Table C -3 1900 MHz Band Class 1 Channel Allocations
CDMA Channel V alidity Channel Number TX (MHz) RX (MHz)
Not V alid
0–24 1930.00–1931.20 1850.00–1851.20
V alid
25–1175 1931.25–1988.75 1851.25–1908.75
Not V alid
1176–1199 1988.80–1989.95 1908.80–1909.95
C -6 68P09283A63 -5
FOA A UG 2007