User's Manual

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3.2 Requirements
The module is considered as a component for the manufacturing, and must be stores in a reel, in
vacuum packing until is mounted on the mother board.
3.3 Mechanical assembly / Industrial feasibility
3.3.1 Board outline
The board must be as small as possible.
Nevertheless, this depends on the antenna type implemented, and to routing optimizations that
could be done. This size may be changed if smaller.
Provision is also made for a soldered shield, in case of high interferers.
See chapter 3.3.3 for size of the module.
3.3.2 Connections
To reduce cost, we want to avoid a board to board connector.
The daughter board will use the technique of the cut metal holes on the board edge (top view):
Before milling During milling Resulting connections
The connections number is 27, spread over three sides of the board as following:
PCB
Metal holes
Gold plating