Installing External Antennas - Huawei B612 Quick Start Manual

2. Installing external antennas

You can install external antennas to improve signal reception. Please
contact your network service provider to purchase the antennas. If you
only require one antenna, plug it into the
Note:

Turn off the router and unplug the power adapter before installing any
external antennas.

External antennas are only suitable for indoor use. Do not use external
antennas during thunderstorms.

Only use external antennas provided by your network service provider.
socket.
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