Nokia 6610i Service Manual

CCS Technical Documentation

7-System Module and User Interface

                                 

Company confidential 

RM-37

Issue 1  04/2004

  ©Nokia Corporation.

Page 49

System

Channel number

TX frequency

RX frequency

Unit

EGSM

0 <= n <=124

F = 890 + 0.2 * n

F = 935 + 0.2 * n

MHz

975 <= n <= 1023

F= 890+0.2*  (n -1024)

F= 935+0.2*  (n -1024)

MHz

DCS1800

512 <= n <= 885

F=1710.2+0.2*(n-512)

F=1805.2+0.2*(n-512)

MHz

PCS1900

512 <= n <=810

F=1850.2+0.2*(n-512)

F=1930.2+0.2*(n-512)

MHz

Cellular System

GSM900, DCS1900 and PCS1900

RX Frequency Band

EGSM: 925 - 935 MHz
GSM900: 935 - 960 MHz
DCS1900: 1805 - 1880 MHz
PCS1900: 1930 - 1990 MHz 

TX Frequency Band

EGSM: 880 - 890 MHz
GSM900: 890 - 915 MHz
DCS1900: 1710 - 1785 MHz
PCS1900: 1850 - 1910 MHz 

Output Power

EGSM900: +5...+33 dBm / 3.2 mW... 2 W
DCS1900: +0...+30 dBm / 1.0 mW... 1 W
PCS1900: +0...+30 dBm / 1.0 mW... 1 W

Number of RF Channels

EGSM:   124
DCS1900: 374
PCS1900: 300

Channel Spacing

200 kHz

Number of TX Power Levels

GSM900 *: 15
DCS1900: 16
PCS1900: 16 

Type

Direct conversion, nonlinear, FDMA/TDMA

LO frequency range

3520...3660 MHz / 3420...3570 MHz

Output power 

2 W / 1 W peak

Gain control range

min. 30 dB

Maximum phase error (RMS/peak)

max 5 deg./20 deg. peak