faraday key fob box signal blocking car key protector Colour:Black bamboo hand‑wash only

bamboo hand‑wash only

Material: Aluminum Alloy

Designed for carrying

Retractable: stretches to fit different plate sizes

FM and weather band reception: AM 520–1710 kHz

faraday key fob box signal blocking car key protector Colour:Black bamboo hand‑wash onlySignal blocking protection Based on Faraday cage theory, this box restricts electromagnetic waves to shield your key fob. A high density metal coated mesh and a super sealed design block signals from 10 KHz to 30 GHz, up to 90 dB. Practical uses Keep your car safe from cloning and signal amplification theft, and reduce the risk of RFID scanning or unauthorised access. It also helps limit exposure from smartphone radiation and can protect contactless