The signal jammers price range between $300 - $400

Between $300 and $400 has a more powerful function, signal jammers can interfere with the signal and the range is more extensive, with super long radius, some can adjust the radius of the interference and the interference signal types, and have more cool modelling, now most of the characteristics of the jammer.

wifi signal jammer device

    8 Bands GSM 3G 4G Jammer GPS WiFi LoJack Blocker

    This 8 antennas portable jammer device support a wide range of interference frequencies, it's a multifunctionals wireless bluetooth jammer device,can jamming WiFi  GSM 3G 4G LTE GPS and LoJack.Therefore, you have this cell jammer in your hand to block almost all the regular bands.

frequency jammer for sale
Radio Frequency Jammer 315 433 868MHz Blocker
signal jamming device for sale
signal jammer price

    6 Bands Silvery Universal Desktop GSM 3G 4G Jammers

    Silvery cell phone signal blockers can block GSM, 3G and 4G signals. You can also choose to interfere with GPS/WiFi/UHF/VHF. It has excellent heat dissipation, the interference radius is up to 40 meters, it is so strong and durable.