Mission Darkness Window Faraday Bag for Phones - Device Shielding for Law Enforcement, Military, Executive Privacy, Travel & Data Security, Anti-Hacking & Anti-Tracking Assurance Military-grade faraday bag with preview window designed for law enforcement forensic investigators. Two layers of high-shielding fabric on all sides with dual paired seam construction. Shields cell phones, GPS units, electronic toll collection transponders (like E-ZPass), keyfobs, or other similar size devices from ALL wireless signals. EMI shielding & RFI shielding. Used for forensics, military, executive travel, personal security, EMP protection, and solar flare protection. 100% shielding of WiFi (2.4 & 5GHz), Bluetooth, cell signals (4G LTE+), GPS, RFID, and radio signals with 60-80dB average attenuation. Device preview window to confirm signal cutoff and battery life. Outer dimensions: 9.5" x 9" x .1" | Inner usage dimensions: 5" x 8.5" Uniquely serialized for asset tracking. Closable pocket on back to place company/agency information. Water-resistant ballistic nylon outer materials. Cell phones Transponders Transmitters Two-way radios Hard drives Passports Keyfobs