Antenna Switch (Electrical/Mechanical) - Siemens C45 Repair Documentation

4.3 Antenna switch (electrical/mechanical)

Internal/External <> GSM1900/PCS <> Receiver/Transmitter
The M46 mobile has two antenna switches.
a) The mechanical antenna switch for the differentiation
between the internal and external antenna
to / from
diplexer
V1.0
C45, M50 AND MT50
Page 15 of 46
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Internal
ICM MP CCQ ST
05/02