8 Bands Handheld Jammers 2G 3G 4G GPS WIFI LOJACK

(26 customer reviews)



As the most popular handheld jammer, this product has a small size, easy to carry. Can block 8 frequencies, and have a very large jammer range.

With a separate frequency control switch, you can select the frequency range that needs to be disturbed as needed.

With car charger, can be used in the car.

This product has the perfect heat dissipation system, can work long time. The shell is made of high quality metal with good heat dissipation.

This device is suitable for classroom, meeting room, library, movie theater and other places where need to keep quiet. Due to its small size and easy to hide, the device is popular with teachers and administrators.

1. The jammers are customized according to the frequency bands of different countries, please confirm that the purchase country and the actual use country are consistent. Otherwise it can not be used.
2. If the low power jammers(such as handheld jammers) to blocker high power signal device(such as high-power WIFI router, Bluetooth audio equipment, etc.), the effect will be poor or even can not jammer.
3. It is forbidden to use while charging.
4. Do not use handheld jammers as desktop jammers.

5. Do not use jammers before connecting the antenna.

Jamming frequencies

CDMA/GSM: 850-960MHz
DCS/PCS: 1805-1880MHz
3G: 2110-2170MHz
4G wimax: 2500-2690MHz
4G LTE:1710-1775MHz
GPS: 1570-1610MHz
WiFi: 2400-2485MHz

LOJACK: 168-178MHz

Jamming radius:up to 10 meters
Power supply:Power plug, car charger or built-in battery
Built-in battery:4000mA/H battery
Battery Life:1-2 Hours
Total output power:4W
Voltage AC:100-240V DC12V
Operating temperature:-10℃ to +50℃
Operating humidity:5% to 80%
Device size:130mm*80mm*38mm
Device weight:800 g


Additional information

Weight 0.9 kg

26 reviews for 8 Bands Handheld Jammers 2G 3G 4G GPS WIFI LOJACK

  1. Keira

    I am satisfied! The parcel arrived quickly and the jammer works well till so far. : )

  2. Luca

    thanks for providing such a great gadget to help me get rid of those annoyance caused by modern technology and telecommunications.

  3. Rolando

    A very helpful tool and solution to my needs. in all the product quality is reliable and the seller is very kind.

  4. Irena

    This is all I want and functions impressively. it has solid construction. At last i can decide to get rid of those unwanted frequencies when I want.

  5. Žarko

    perfect, it works like a magic!

  6. Bruce V.

    Thanks to the cell phone blocker, all the unwanted frequencies were gone immediately as long as the jammer is active. This is more persuasive than any other thing…

  7. Václav

    I was thinking about purchasing this jammer for a pretty long time. So finally I bought it and it doesn’t disappoint me. It works really good till now and I hope that it will be as reliable as it is now for a really long time!

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