User's Manual Part 3

CDMA Operating Frequency Programming Information – North American

PCS Bands

Mar 2001

E-1

SCt4812T CDMA BTS Optimization/ATP

DRAFT

Introduction

Programming of each of the BTS BBX synthesizers is performed by the

BTS GLIs via the CHI bus. This programming data determines the

transmit and receive transceiver operating frequencies (channels) for

each BBX.

1900 MHz PCS Channels

Figure E-1 shows the valid channels for the North American PCS

1900 MHz frequency spectrum. There are 10 CDMA wireline or

non–wireline band channels used in a CDMA system (unique per

customer operating system).

Figure E-1: North American PCS 1900 MHz Frequency Spectrum (CDMA Allocation)

ÉÉÉ

FREQ (MHz)

RX TX

275

1175

CHANNEL

1863.75

925

1851.2525

1871.25425

675 1883.75

1896.25

1908.75

1943.75

1931.25

1951.25

1963.75

1976.25

1988.75

. . . continued on next page