U Disk Type Global Position System L2 Signal Shielding USB Interface Car Shielding Device with LED Display and Metal Sto

U Disk Type Global Position System L2 Signal Shielding USB Interface Car Shielding Device with LED Display and Metal Storage Box It is a signal shield device which appearance is the same as USB flash disk, compact and lightweight, it can be held by hand, tuning against Global Position System L1, Global Position System L2 frequency. Features: U disk appearance, small and convenient, reasonable design with LED display. It is a global position system shield that can block all kinds of global position dystem devices. This mini global position system blocking device is designed to avert people from any global position system tracking device. Can be powered by car USB, power bank, computers and so on. The internal omnidirectional antenna provides a 360 degree ranges. Specifications: Model: GW-JU2 Material: ABS+metal Color: black Display: LED display Application: car Interfered link: GPS Output power: 200MW Antenna: internal omnidirectional antenna Working bands: 2 bands Car recharger: 12V Frequency range: GPS L1: 1550-1600MHz GPS L2: 1200-1300MHz Power supplys: direct current 5V 0.5A Jamming ranges: 3~10 meters Working temperature: -20℃ to +55 ℃ Item size: 66 * 23 * 10mm / 2.6 * 0.9 * 0.4in Item weight: 33g / 1.2ounce Package size: 90 * 62 * 20mm / 3.5 * 2.4 * 0.8in Package weight: 35g / 1.2ounce Package List: 1 * Signal Shield Device 1 * Storage Box 1 * User Manual