Nokia RM-57 Service Manual page 95

RM-57/58
Service Tools and Service Concepts
Issue 1
RJ-74
RJ-74 is a soldering jig used for soldering and as a rework jig for the
engine module.
SA-69
SA-69 is an RF coupler for GSM RF testing. It is used together with a
product-specific flash adapter.
The following tables show the coupler attenuation values:
•
GSM900 TX
880 MHz
897 MHz
915 MHz
GSM1800 TX
1710 MHz
1748 MHz
1785 MHz
GSM1900 TX
1850 MHz
1880 MHz
1910 MHz
•
GSM850 TX
824 MHz
837 MHz
848 MHz
GSM1800 TX
1710 MHz
1748 MHz
1785 MHz
GSM1900 TX
1850 MHz
1880 MHz
1910 MHz
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Soldering jig
RF coupler
Table 8 Attenuations for RM-57
Att. (dB) GSM900 RX
4.3 925 MHz
3.8 942 MHz
3.5 960 MHz
Att. (dB) GSM1800 RX
6.8 1805 MHz
6.1 1843 MHz
6.1 1880 MHz
Att. (dB) GSM1900 RX
6 1930 MHz
6 1960 MHz
6.2 1990 MHz
Table 9 Attenuations for RM-58
Att. (dB) GSM850 RX
5.3 869 MHz
4.7 882 MHz
4.4 894 MHz
Att. (dB) GSM1800 RX
6.2 1805 MHz
6 1843 MHz
6.2 1880 MHz
Att. (dB) GSM1900 RX
6.2 1930 MHz
6.2 1960 MHz
6.3 1990 MHz
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Att. (dB)
3.4
3.3
3.5
Att. (dB)
6.1
6
6
Att. (dB)
6.3
6.6
6.8
Att. (dB)
3.6
3.3
3.2
Att. (dB)
6.2
6.2
6.2
Att. (dB)
6.4
6.4
6.6
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