33

Signal jammers make students more attentive

2022-06-11 16:36:02

Posted by perfectjammer

Category: 国内市況

In schools, students want to study safe and quiet, but many schools have the same problem, more and more students are using their mobile phones while studying, playing games, chatting and reading texts, they may forget t ・・・

Tag: tagcell phone jammer 

34

Signal Jammers Electronic Blocker Device For Sale Wholesale and Retail

2022-03-02 11:08:04

Posted by perfectjammer

Category: 国内市況

Perfectjammer is a professional signal jammers manufacturer and supplier, mainly for sale cell phone signal jammer, GSM, GPS and WIFI blocker, jamming equipment, drone jammer. https://www.perfectjammer.com/

Tag: tagcell phone jammer 

29

Portable Cell Phone Jammer Signal Blocker Mobile Cellular

2022-01-11 10:35:32

Posted by perfectjammer

Category: 国内市況

Perfectjammer has professional cheap cell phone jammer for sale which mainly blocker 3g 4g 5g signals. Here you can buy a cheap mini portable or handheld jamming device, jammer range depending on the size of the device. ・・・

Tag: tagcell phone jammer 

31

Portable 18 Bands 5G Cellphone Signal Jammer In 2021

2021-09-24 12:06:41

Posted by perfectjammer

Category: 国内市況

In 2021, the latest handheld 18-band 5G jammer can block 2G 3G 4G 5G Wi-Fi GPS UHF VHF, and the shielding distance of 18W high-power devices can reach 25m.

Tag: tagcell phone jammer 

30

New High Power 12 Antennas Mobile Phone 3G 4G 5G Signal Jammer

2021-08-26 12:20:30

Posted by perfectjammer

Category: その他

New powerful Mobile phone 3G 4G 5G jammer WIFI GPS LOJACK UHF VHF with 12 Antennas indoor using adjustable 90W output power jamming up to 80m

Tag: tagcell phone jammer 

30

Latest 22 Antennas 5g Jammer Full Bands Mobile Phone Signal Wi-Fi GPS LOJACK Blocker

2021-08-17 13:41:01

Posted by perfectjammer

Category: 国内市況

This is the newly designed high-power 22-antenna 5G signal jammer. It can not only cut off all 5G 3G 4G mobile phone signals, but also block Wi-Fi 2.4G / 5GHz GPS LOJACK, RF 315 MHz 433MHz and other signals, with an inte ・・・

Tag: tagcell phone jammer 

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