Cellphone Signal 4G LTE 725-770MHz
The 725-770MHz frequency is one of most commonly used 4G signal frequency in the United States. The usual 4G signal cell phone jammer include this frequency, which can effectively block conventional 4G signals.
Often used in classrooms, libraries, conference rooms and other places, effectively ensure the order of the venue. Popular with teachers and private business owners. Security services also use the equipment regularly