Popular Hidden Signal Jammer With Built-in Antenna

In real application, the mobile phone WiFi signal jammer is used in multiple places such as meeting room, conference room, concert, movie theater, examination room, home environment, etc.

Besides, various reason for the mobile phone WiFi signal jammer is:

1) Avoid the illegal phone use at Prison, Detention house, Police station, Law court, Procurator-ate, etc

2) Avoid the important document leaking or business secret leaking, such as in Real-estate transaction, Business conference room, Military Base and Important confidential site, Government sites, Administration Department, Criminal case on site checking, Law enforcement, Critical Security sites, etc.

3) Avoid Hazardous place accidents caused by misuse of Phone WiFi signals, such as Petrol station, Chemical factory, Oil depot, Hazardous substance storage warehouse and assemblies, etc.

4) Avoid phone calls noise at Library, Movie theatre, Theatre, Concert hall, Memory hall, Auditorium, Church, etc.

5) Avoid examination cheating in school, training classes, sports competition, etc.

6) Avoid phone playing during working time; effectively avoid assembly injury and death accident for phone playing, improve working efficiency, such as Textile mill, Metallurgical plant, etc.

Recently, the mobile phone WiFi signal jammer with built-in antenna is more and more popular as its wonderful hidden effect, below are several types for your reference:

Type A:

Item: 80W high power directional wireless signal jammer, Model: T80W

Channel quantity: 8 channel

Jamming range: about 20-50 meter

Jamming signal type: 2G, 3G, 4G, 5G, WIFI, GPS, etc

https://www.txjammer.com/high-power-school-wifi-phone-blocker-jammer.html

Type B:

Item: 50W omni directional signal jammer , Model: NZ10

Channel quantity: 10 channel

Jamming range: about 5-40 meter

Jamming signal type: 2G, 3G, 4G, 5G, WIFI, GPS, etc

https://www.txjammer.com/examination-mobile-phone-wifi-jammer.html

Type C:

Item: 150W high power wall mount signal jammer

Model: NZ150W, Channel quantity: 11 channel

Jamming range: about 50-100 meter

Jamming signal type: 2G, 3G, 4G, 5G, WIFI, GPS, etc

https://www.txjammer.com/high-power-gsm-cdma-lte-phone-jammer.html

More items, please feel free find us on www.txjammer.com, for handheld signal jammer,  desktop high power signal jammer, prison mobile phone jammer, drone signal jammer, anti drone gun, car mount anti bomb jammer, etc.