About Ambrose Johnson

Ambrose Johnson


Jammermfg is a professional global signal jammer manufacturer online jammer store, mainly selling kinds of Electronic jamming devices that can block Cell phones, Wifi, Bluetooth, GPS, Drones, Radio, UHF and VHF signals.


Powerful GSM 3G 4G 5G Fixed Cell Phone Signal blocker with 12 Antennas

This new powerful cell phone Signal blocker is equipped with 12 antennas, which can provide us with strong signal jamming ability. It is also a […]

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New High-tech desktop 5G jamming device for cell phone, wifi bluetooth devi... New High-tech Desktop 5G jamming device with very popular 8-antenna specification, medium power design, ou […]

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