4G Voice sound Activated GSM Sim Device GPS Tracker Audio Ear Listening Gadget

8 SIM card Nano SIM card seat. 42G GSM band. 2G GSM: B3/B5/B8. 20 GSM positioning accuracy 50-200 m (depending on the network). 14 horn 0916 specification AAC. 24 4G antenna PIFA antenna. 4G band -CAT1: LTE-FDD: B1/B3/B5/B7/B8/B20, LTE-TDD: B34/B38/B39/B40/B41.

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