User Guide

NPM-10 (3595)
System Module CC Technical Documentation
Page 44 ©2004 Nokia Corporation Confidential Issue 2 03/2004
RF Characteristics
Channel Numbers and Frequencies
Main RF Characteristics
Transmitter Characteristics
Output Power Requirements for GSM850
System Channel number TX frequency RX frequency Unit
GSM850 128 <= n <= 251 F = 824.2 + 0.2 * (n –128) F = 869.2 + 0.2 * (n -128) MHz
GSM1900 512 <= n <= 810 F = 1850.2 + 0.2 * (n-512) F = 1930.2 + 0.2 * (n-512) MHz
Item GSM 850 values GSM 1900 values
Receiver frequency range 869 to 894 MHz 1930 to 1990 MHz
Transmit frequency range 824 to 849 MHz 1850 to 1910 MHz
Duplex spacing 45 MHz
Channel spacing 200 KHz 200 KHz
Number of RF channels 174 374
Power class 4 (2 W peak) 1 (1 W peak)
Number of power levels 15 16
Item
GSM 850 values
GSM 1900 values
Type Direct conversion, nonlinear,
FDMA/TDMA
Direct conversion, nonlinear, FDMA/
TDMA
LO frequency range 3296.8 to 3395.2 MHz 3700.4 to 3819.6 MHz
Output power 2W peak 1W peak
Gain control range Min. 30 dB Min. 30 dB
Maximum phase error (RMS/peak) Max 5 deg RMS / max 20 deg
Peak
Max 5 deg RMS / max 20 deg Peak
Parameter Min Typ Max Unit/Notes
Max output power 33.0 dBm
Output power tolerance
(power level 5)
+/- 2.0 dB, normal
cond.
Output power tolerance
(power levels 6...15)
+/- 3.0 dB, normal
cond.