Men's Undershirt Long Sleeve Cotton with Silver Knit White 30dB at 1GHz

This long-sleeved vest or T-shirt made of cotton protects against electromagnetic radiation from transmission towers, WLAN, DECT phones, baby monitors, Bluetooth, etc.
Ideal for daily use as underwear or as a T-shirt.
Radiation exposure is particularly high in public transport and on aeroplanes.
In the car, too, the exposure is enormous, especially if you make phone calls or have mobile data switched on with your mobile phone while driving.
Protect yourself anytime and anywhere with this very comfortable organic cotton underwear.
The special silver knit provides effective protection against mobile phone radiation of all kinds. The protection comes from the reflection of the radiation and is physically measurable.

Shielding: 99.5% effective at 5G (21dB at 3.5GHz)
The measuring was carried out by Prof. Dipl.-Ing. Peter Pauli, Professor for High Frequency, Microwave and Radar Technology at the University of Munich.
Composition:
77% organic certified cotton
23% silver yarn (18% silver, 82% polyamide) - no nano silver
​Protection: 99.5% effective at 5G (21dB at 3.5GHz), 30dB at 1GHz
Brand WAVESAFE