EVDO PC Embedded Datasheet

Product Datasheet
V001R006
Issue 2 (2009-01-20)
Confidencein Commercial
Page 11 of 60
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The PMU section includes PM Part and DC-DC circuits, providing the power
supply and power management for the whole module.
1.3.2 External Hardware Interfaces
1. Antenna interface
The EM660 has a main antenna connector and an auxiliary antenna connector.
Mini PCI Express Interface
Screw holes
Auxiliary antenna
Main antenna
2. Mini PCI Express interface
The interface of the EM660 is a standard Mini PCI Express interface. The EM660
consists of several major signals, as shown in the following figure.