Check with the seller. If dtac want to use dual band Repeater to repeat signals 4G LTE on the 2.1 DTAC, serving or gigahertz of 5 MHz Repeater sumtel 2100 model is able to Repeat LTE 2100 or now, dtac has. 3G and 4G services on frequencies 2100 as a Repeater that we sell.
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