Affordable Desktop 8 Antennas Cell Phone Jammer Device for indoor use

Whether college students should pass all courses has always been a matter of debate. You know, college students have a responsibility to complete their courses to make sure they have studied and mastered the basics in college. To take control of your students passing the exams fairly and impartially, you can purchase this affordable Desktop Cell Phone Jammer Device that blocks all cell phone signals in the classroom and prevents cheating on exams. This will not only keep students away from their phones in class and study hard, but also keep them away from cheating on their phones. This powerful signal jammer is perfect for school use.

This is one of the most affordable high-performance desktop jammers on the market. Has very high performance. Can interfere with GSM, 3G, 4G, WiFi, GPS and other signals. Hidden adjustable power output switch design, built-in good cooling system and 3 cooling fans, to ensure that the equipment can work uninterruptedly.

Highlights:
1. The latest module 8 ceiling design, customized special frequency band
2. High output power, total power up to: 17W, interference up to 40m (still depends on the signal strength in a given area)
3. External omnidirectional antenna, only covering TX frequency
4. Built-in good cooling system and 3 cooling fans ensure that the equipment can work uninterruptedly.

Specification:

Power supply: AC adapter (used after connecting the AC adapter)
Voltage: AC110/220V, DC 12V
Total output power: 17W
Interference range: up to 40 meters
Operating temperature: -10℃ to +50℃
Operating humidity: 5% to 80%
Weight: 2500g
Dimensions: 470mm (L) × 270mm (W) × 130mm (H)
Warranty period: 1 year

-CDMA: 851-894MHz or 925-960MHz
-GSM: 1805-1880MHz or 1920-1990MHz
-DCS: 1805MHz-1880MHz
-PCS: 1920 MHz-1990 MHz
-3G: 2110MHz-2185MHz
-4G LTE: 700-803MHz or 790-862MHz
-4G Wimax: 2500-2690MHz or 2300-2400MHz
-Wifi 2.4G: 2400MHz-2500MHz
-GPS: 1570-1580MHz

Package Contents:

1 x Desktop High Power Jamming Device
1 x Power Charger
8 x Antennas

*Note* This Cell phone Jammer does not cover the 5G signal that is widely used in some areas. If you need a Fixed 5G phone jammer device, pls see DJ-22 Desktop 5G Jammer.