4G Signal Jamming Device Reviews

Handheld GSM 3G 4G GPS Lojack WIFI Signal Jammers

Date:2020-08-25

This is a solid, well-built device offering much more coverage than expected. The side dip switches are nice to the touch because I don't always need to turn GPS blocking on and be able to turn it off.

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Portable Handheld LOJACK GPS WiFi RF Cell Phone Jammer

Date:2020-08-25

I am a very satisfied customer because they always answer my questions on time. Good product and good packaging. I will order from you again, thank you very much.

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6 Antennas Desktop GSM 3G 4G GPS WiFi UHF VHF Blocker

Date:2020-08-25

A very high power jammer capable of jamming a very large area. Can adjust the interference range, it is very convenient to use, I am satisfied.

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16 Antenans All Mobile Phone Frequency DCS PCS 315MHz UHF VHF GPS WIFI Jammer

Date:2019-11-27

I've been looking for this 16-wire jammer for a long time, I have found it now, and am very happy.

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14 Bands Adjustable More Frequencies Desktop Signal Jammer

Date:2019-11-27

I put it in the production workshop, and I no longer have to worry about employees playing mobile phones all the time.

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Desktop 6 Bands UHF VHF Frequency SM 3G 4G GPS WIFI Jammers

Date:2019-11-16

I really like this jammer. From there, I can enjoy peaceful life and privacy.

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CDMA GSM DCS PHS 3G 4G GPS WIFI Bluetooth Desktop Signal Jammers

Date:2020-01-19

I received the jammer and it even arrived two days earlier than expected. After testing, the effect is better than expected. The fan is a bit stronger than I thought, but I am satisfied with everything.

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3 Bands Mini Portable GSM 3G GPS Signal Jammers

Date:2019-11-23

Really outstanding equipment, it's free US delivery service. I bought a free shipping and I love it!

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5 Bands Adjustable CDMA GSM 3G 4G WIFI Frequency Blocker

Date:2019-11-19

This product is good, really useful, even more, and the communication with this company has always been very good, I would recommend this place and will buy it again in the future.

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Powerful All Mobile GPS Blocker GSM 3G 4G LTE WIFI Frequency Jammers

Date:2019-11-28

The product works as described and I am very happy with it.

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Latest 10 Bands Desktop Powerful GSM 3G 4G 5G Wifi Jammer

Date:2019-12-10

The desktop jammer provided by the seller is of good quality and can effectively block the above frequencies. I like it very much.

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Powerful Portable WiFi GPS 2G 3G 4G Jammers

Date:2020-01-08

I found that the jamming range can reach 20 meters. For me, it is enough to stop other people's mobile phones, very good product.

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8 Bands Armband Portable 2G 3G 4G WIFI 2.4G 5.8G GPS Jammers

Date:2019-12-21

From my purchase to the present, it has worked well and has a very wide coverage in some frequency bands (especially GPS).

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Portable GPS WIFI GSM 3G 4G Signal Jammers

Date:2019-10-28

According to the advertisement, a good mobile phone jammer works well. I bought one and used it for half a month, and it performed well!

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Latest Desktop Powerful WiFi GPS 2G 3G 4G 5G Jammers

Date:2019-12-05

This is a very good 5G jammer. I put my newly bought mobile phone there. There is no signal, which is very practical.

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Handheld CDMA GSM 3G 4G GPS WIFI Jammer

Date:2019-11-20

So far, its operation is really very good, I hope it will be as reliable as it is now !

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Adjustable Desktop 2G 3G 4G 5G GPS Wifi Signal Jammer

Date:2020-01-06

I bought it three months ago and put it in the office, the shielding effect is very satisfactory.

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Multiband Powerful GSM 3G 4G GPS WIFI Bluetooth Jammers

Date:2019-12-18

Very good product. It works great, the colors look nice and cool, I love it!

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Military 2G 3G 4G 433Mhz 315Mhz WiFi GPS LOJACK Signal Jammer

Date:2019-10-24

The shielding distance and jamming function of this high-performance desktop jammer is very strong, I really like this 12 antenna jammer !

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