It can effectively shield wireless signals such as GPS, 2G, 3G, 4G, WIFI, etc., and has no negative impact and interference on communication and transmission of other electronic devices around.

Features:
All consist of the latest patch components and integrated circuits, easy to install and use, with stable performance.
The surface is treated with advanced oxidation, adopts aluminum casing, and has good heat dissipation.
The effective shielding distance radius is 5-20 meters, and the interference radius still depends on the signal strength of a specific area.
There is an obvious power indicator on the visible part of the body, and a separate switch control button is provided on the side.
Easy to carry, low power consumption, no harm to the human body and environmental protection.

Specifications:
Color: black
Channel: six channel
Battery: 1 * lithium battery, 3000mAh (included)
Shield radius: 5-20m
Shield signal: 2G, 3G, 4G, GPS, WIFI
Transmit power: 3.6W
Power supply: AC 110-240V, DC 12V
Operating temperature: -40~50?
Relative humidity: 30-95%
Item size: 130 * 75 * 35mm / 5.1 * 3.0 * 1.4in
Item weight: 800g / 1.8lb
Package size: 215 * 215 * 75mm / 8.5 * 8.5 * 3.0in
Package weight: 900g / 2.0lb

Package list:
1 * GPS Shielding Device
6 * Antenna
1 * Car Recharger
1 * Adapter
1 * Charging Cable
1 * User Manual