Elevators are usually composed of thick metal sheets. After the elevator doors are closed, will form a Faraday cage which shielding electromagnetic and radio frequencies efficiently.

Want to know if Wiserepeater.com's mobile phone signal booster work for you? Do a simple field test on your mobile phone by use your mobile phone to check the signal quality outside your house.

Mobile phone repeater system is designed to take and amplify existing mobile phone signal in outdoor, and then rebroadcast amplified mobile phone signals to indoor areas which have weak signal or no signal at all.