Check your eligibility criteria for tender Supply of Utility Faraday Bags Window For Laptop, Standard Size Bag To Put A Laptops Inside To Block Cell Signals, Satellite, Wi-Fi And Bluetooth Frequencies. Shielded Window Allowing Preview Of Device Inside To Determine Battery Life, Device State And Confirm Signal Isolation. It Should Block Below Mentioned Signals: O Gps Signals O Wi-Fi Signal O Cell Network Signals O Rfid Signals O Bluetooth Signals Dimension External Size 21.25 Inch X 14.5 Inch Operational Size 17.25 Inch X 13.75 Inch Warranty Period: 30 Months After The Date Of Delivery