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Product Description
Specifications of GSM TMA Model: BT-GT12-2/ BT-GT12-4/ BT-DT12-2/ BT-DT12-4 Schematic Diagram Technical Specifications Items Uplink Downlink Working Frequency(customize) Band1 824~849 MHz 869~894MHz Band2 890~915 MHz 935~960MHz Band3 1710~1785 MHz 1805~1880MHz Band4 ...