Best Selling Portable 4G Mobile Signal Jammer with 6 Bands

This is our best selling portable 4G signal jammer.

Designed with 6 channels, it can cover and interfere with GSM, 3G, 4G, Wifi, GPS and other signals (custom tuning is also available upon request).

This mobile signal jammer is highly portable and has a coverage range of 5-20M, depending on local conditions.

The charging indicator changes from red (while charging) to green (fully charged) for a quick visual indication of charging status.

Individual channel on/off selectors let you choose which channels to block, and top-mounted LED indicators confirm your selection.

Specifications:

Warranty period: 1 year
Total power: 3W
Ambient temperature: -20°C - +55°C
Relative humidity: 30 - 95%
Battery: 4000mAh
Interference radius: up to 20 meters (interference radius depends on local signal strength)
Weight: 2kg
Size: 112*62*32mm

Jamming frequency:

- GSM 900: 925-960MHz
- GSM 1800: 1805-1880MHz
- 3G: 2110-2170MHz
- 4G LTE: 725-770MHz / 800-895MHz
- GPS: 1570-1580MHz
- WIFI 2.4G: 2400-2500MHz

*Note* This Cell phone Jammer does not cover the 5G signal that is widely used in some areas. If you need a 5G cellular jammer device, pls see PJ-16 Portable 5G blocker or DJ-22 desktop 5G Jammer.