Frenquency lte fdd frequency band b1 b2 b3 b4lte tdd frequency band b38 b39 b40wcdma frequency band b1 b5 b8tdscdma frequency band b34 b39cdma frequency band evdo rev a800mgsm frequency band 900 1800mhzfeatures anti fall dustproof with sturdy shell multi protective design of imported aterials mechanical seismic structure designed for outdoor use easy to carry in outdoor travel large capacity 6800 mah battery with low power control avoid losing your phone and information whether you are traveling or on a business trip antenna design super strong signal in places where the signal is not sparsely populated the signal strength can be increased and the call is not interrupted support private call and group call and interrupt communication function you can add unlimited group members and notify urgent information anytime support wifi connection for zello walkie talkie zello walkie talkie that supports bluetooth gps large capacity battery stable battery lifespecification network configuration 2 3 4gcolor blackbattery type polymer lithium batterybattery capacity 6800mahusage time 48 hoursstandby time 5 7 dayscharging mode charger usb car computerrated voltage 3 7vproduct weight 165g including battery product size 110 x 52 x 32mm excluding antenna package included 1 x walkie talkie1 x usb cable1 x antenna1 x battery1 x back clip1 x lanyard1 x user manual
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