SimCom SIM900 Hardware Design

SIM900 Hardware Design
Figure 38：Bottom Mechanical dimensions of module （Unit: mm）
Figure 39: Recommended PCB decal（Unit: mm）
Note: Area A is keep route out area. Area B should be covered by silkscreen to prevent from the short
between the via on customer board and the test points on the bottom side of the module.
SIM900_HD_V1.05 06.23.2010
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SimCom SIM900 Specifications

General

Brand	SimCom
Model	SIM900
Category	Modem
Language	English