Rf Antenna Connector - Huawei MU609 Hardware Manual

HUAWEI MU609 HSPA Mini PCIe Module
Hardware Guide
Figure 3-10 Circuit diagram of the interface of the PCM (MU609 module is used as PCM
master)

3.8 RF Antenna Connector

The MU609 module provides three antenna connectors (MAIN, GPS and AUX) for
connecting the external antennas.
Issue 03 (2014-12-04)
 PCM_SYNC: Output when PCM is in master mode;
 PCM_CLK: Output when PCM is in master mode;
 The PCM function of MU609 only supports master mode;
 It is recommended that a TVS be used on the related interface, to prevent electrostatic
discharge and protect integrated circuit (IC) components.
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Description of the Application Interfaces
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