User's Manual
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SIM900B Wireless Module
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SIM900B EVB User Guide
SIM900B-EVB_UGD_V1.01
7
14.04.2010
2. EVB accessory
Figure 3
：
EVB
accessory
A: 5V DC source adapter
B: headset
C: antenna
D: antenna transm
it cable
E: serial port cable
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