Huawei MU609 Hardware Manual page 55

HUAWEI MU609 HSPA Mini PCIe Module
Hardware Guide

On the customer PCB, reserve two metal screw holes, which are connected to
the PCB ground plane. When installing the Mini PCIe, use two metal screws to
fasten the Mini PCIe to the customer PCB. See the following figure.

Ensure that the air flow around the Mini PCIe is sufficient.

Try not to place any component in the Mini PCIe's projection region on the
customer PCB. Do not place components with 1.5 W or higher power
consumption or heat sensitive components (such as crystals) near the Mini PCIe.

Use a large customer PCB. The recommended size (W x D) is 70 mm x 70 mm
(2.76 in. x 2.76 in.).

If the thermal conductive material is attached between the Mini PCIe and the
customer PCB, then the heat dissipation performance will be better for multilayer
PCB.

Apply copper to the region for attaching the thermal conductive material to the
customer PCB. Try to use the continuous ground plane design on the customer
PCB, and each ground plane must be connected through holes. Therefore,
reserve holes as many as possible.
Issue 03 (2014-12-04)
Thermal Conductive Material
Thermal Conductive Material
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Mechanical Specifications
Mini PCIe
Customer PCB
Screw
Mini PCIe
Customer PCB
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