Product Overview The Leblok Security EMF + RFID Tablet Shield is a cutting-edge Faraday shielding case that safeguards your tablet and other medium-sized electronic devices from unauthorised access, tracking, location ID, EMPs and hacking, whether powered on or off. A multi-layer of ultra-high RF shielding fabric is sealed together with high integrity bonding, and finished with superior stitching. Independently tested to ASTM D-4935-10 and IEE 299-006 Standards at the University of the Armed Forces (Department for RF, Microwaves and RADAR), Germany. Made in the U.K. Key Features Prevents unauthorised remote access to your device Prevents device hacking Prevents your device from sending and receiving signals Prevents tracking of your device location Protects devices against EMPs Provides a total signal block Double shielding folding closure Velcro security band for double closure Tight security seal preventing signal leak Durable and hard-wearing Made from waterproof fabric Frequencies Blocked TEMPEST military spying system Cellphone hacking 900MHz GPS Tracking 1176.45 MHz Wi-Fi and Bluetooth 2.4GHz / 5GHz 4G 800MHz / 2600MHz RFID Defence 433MHz Zigbee 868MHz–2.4GHz *Note that this product also shields your device from airport security scanners. How To Use Insert the tablet/device into the case Fold over top tab twice and secure to velcro strip Enjoy the total shielding of your device Technical Specifications External Dimensions (closed): H 355mm x W 260mm (H 14" x W 10.2") Internal Dimensions: H 320mm x W 240mm (H 12.6" x W 9.4")