Pwb Outline (Baseband); Rf Description; Frequency Band, Power And Multi-Slot Class; Transmitter - General Description - Nokia RM-291 Service Manual

RM-291
System module

PWB outline (baseband)

RF description

Frequency band, power and multi-slot class

The requirements leads to the specification in the table below:
System
GSM900
GSM1800
GPRS

Transmitter - general description

The transmitter has separate, parallel paths covering the different bands. The transmitter operates in GMSK
mode only. The power level control circuitry is integrated in the front-end module.
Issue 1
Table 17 Frequency bands and TX power class
Frequency band
Tx: 880 – 915 MHz
Rx: 925 – 960 MHz
Tx: 1710 – 1785 MHz
Rx: 1805 – 1880 MHz
Table 18 Multi-slot class
Multislot Class
MSC 6 (up to 3+1 and 2+2)
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TX power class
4 (33dBm)
1 (30dBm)
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