Do Walkie Talkies Work Underground?

Caves are some of the last places on the planet left to explore. Though caving is relatively safe, if something goes wrong deep inside the Earth, a rescue can take days — in part because cell phones and walkie-talkies don't work underground.

Do walkie-talkies work in basements?

Two-way radios can achieve excellent coverage in areas which mobile phones and other communication devices cannot, such as wide open spaces in the middle of nowhere. However, two-way radios struggle to effectively communicate in certain dead spots such as some types of lifts, tunnels and basements.

Can walkie-talkies go through walls?

UHF radios operate at 400 to 512 MHz. They are more versatile than VHF radios as they can penetrate through building walls. UHFs have shorter waves and are ideal for carrying around due to their ability to get through interference. ... Most two-way radios will come with a range of anywhere between 20 to 50 miles.