Description
4G SIM COMMUNICATOR AUTOMATION Control: Bluetooth, SMS Number of relays: 2 4G frequency: Quad-band 850/900/1800/1900MHz LTE-FDD B1, B3, B5, B7, B8, B20, B28 Maximum number of users: 1000 Bluetooth version: 5 Bluetooth frequency: between 2402 and 2480 MHz Bluetooth communication distance:
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