Инструкции По Обслуживанию для Nokia 8310
NHM–7
General Information
General Information
PAMS Technical Documentation
Page 6
Issue 1 10/2001
Nokia Corporation
General Specifications of Transceiver NHM–7
Parameter
Unit
Cellular system
GSM900 and GSM1800
RX frequency band
EGSM:
925 ... 935 MHz
GSM900
935 ... 960 MHz
GSM1800
1805 ... 1880 MHz
TX frequency band
EGSM
880 ... 890 MHz
GSM900
890 ... 915 MHz
GSM1800
1710 ... 1785 MHz
Output power
GSM900 *
+5 ...+33 dBm / 3.2 mW ... 2 W
GSM1800
+0 ...+30 dBm / 1.0 mW ... 1 W
Duplex spacing
GSM900 *
45 MHz GSM1800 95 MHz
Number of RF channels
EGSM
50
GSM900
124
GSM1800
374
Channel spacing
200 kHz
Number of TX power levels
GSM900 *
15
GSM1800 16
Sensitivity, static channel
GSM900:
–102 dBm
GSM1800:
–102 dBm (norm. cond. only)
Frequency error, static channel
< 0.1 ppm
RMS phase error
< 5.0
o
Peak phase error
< 20.0
o
*) applies also to EGSM