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Long Distance 20-30 Meters Blocker Device

This jammers can usually interfere with a variety of bands, Interference range up to 20-30 meters,covering all mobile phone signals, GPS signals, WIFI signals, walkie-talkie signals. And prices are usually cheap. So it's a very popular device. It is also by far the largest purchase of a jamming device,Not only desktop but also handheld, you can choose from various styles.

Featured Jammers 20-30 Meters