• 3g gsm cdma broad spectrum mobile phone signal jam

3g gsm cdma broad spectrum mobile phone signal jam , signal blocker gsm phone

3g gsm cdma broad spectrum mobile phone signal jam,signal blocker gsm phone,Product Notes The special design of the RF Jammer can only block the specific frequency. In that case, the operating 315/433MHz and it could block signals of car and garage door at a distance up to...