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Joined on: May 30, 2016
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How does the ZTE WF721 receives call and signal? Is it through VoIP (voice over IP)? What external antenna is recommended for this device to boost signal?
Hi @FlorenceC the ZTE WF721 uses cellular service (a sim card) to make and receive calls.
You would plug a home phone (corded or cordless) directly into the unit which would be used as the receiver.
Signal will depend on which wireless carrier you chose in your area.
As far as an external antenna, you'll need one with an SMA connector. Here is a link to one that is compatible