YOUR PHONE IS A TRACKING DEVICE THAT MAKES CALLS.
Every second it’s powered on, your phone broadcasts your location, connects to nearby networks, and logs data you didn’t consent to share. Airplane mode is a suggestion. The baseband processor doesn’t take suggestions.
The TINFOIL Signal Sleeve is a portable Faraday enclosure that physically blocks all electromagnetic signals between 30 MHz and 6 GHz. Slide your phone in, close the zip, and every wireless protocol goes silent — cellular, WiFi, Bluetooth, GPS, NFC, RFID. Not disabled. Not toggled off. Blocked.
SPECIFICATIONS
Signal attenuation: ≥60 dB across 30 MHz – 6 GHz
Blocks: 2G/3G/4G/5G cellular, WiFi (2.4 & 5 GHz), Bluetooth, GPS/GLONASS, NFC, RFID
Closure: Metal zipper with conductive seal (not velcro — velcro degrades)
Interior dimensions: 185mm × 100mm (fits all phones up to iPhone 16 Pro Max / Galaxy S24 Ultra with case)
Seam construction: Conductive stitching on all seams — no signal leakage at stitch points
Material: Dual-layer shielding fabric with reinforced exterior
Tested to 1,000+ open/close cycles
WHEN TO USE IT
Meetings where phones aren’t welcome. Border crossings. Protests. Anywhere you’d rather not have your location logged. Or just dinner — because you’re allowed to be unreachable.
WHAT’S INCLUDED
1× TINFOIL Signal Sleeve
1× TFRi verification card with QR link to shielding methodology
1× Usage guide insert
FIELD NOTES
Your phone will show “No Service” when properly enclosed. Calls go straight to voicemail. Texts arrive when you unzip. GPS tracking shows your last known location before enclosure. This is the point.
Test it yourself: place phone inside, zip closed, call it from another phone. Silence means it’s working. We encourage skepticism. We built the product for it.
Signal Sleeve is part of the TINFOIL Signal Defense line. For full-perimeter device isolation, see the BLACKOUT Faraday Sling.
