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SCOM-100, User guide
17
2.6 GSM antenna
An external GSM antenna should be used for locations
with weak signal strength. SCOM-100 utilizes an SMA
plug connector to connect a GSM antenna.
The GSM antenna must be of appropriate frequency to
cover the frequency band of your GSM provider's
network.
2.7 Microphone
A two-pin connector is provided to connect an electret
type microphone.
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