6 Bands Handheld Jammer for GSM 3G 4G WIFI GPS
- 2018/04/12 11:43:13 投稿
- 再生数：141
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This device has a very convenient single frequency switch. You can choose to open or close a frequency band as needed. With good heat dissipation system, it can work for a long time. Can block the main mobile phone band and WIFI and GPS signals. Source of information: https://www.perfectjammer.com/2g-3g-4g-phone-signals-handheld-jammers.html