How does Recco technology work?

It's called a harmonic reflector.

Say radar works at a frequency of 1 GHz. RECCO uses a small electronic circuit to generate a harmonic (integer multiple of that signal) which goes back to the sender.

Signal out at 1 GHz

Returns at say, 2 GHz.
 
Basically just like the chips they put into items you buy at a store, and when you walk out and you haven' t payed for them alarm goes of.
 
so you are the asshole that will kill someone because you value a gopro over a life. while they are frantically trying to locate a buried human, they will accidentally be following the signal from your lost cellphone.

bad, bad idea.
 
A recco is used when the person is presumed dead and their beacon batteries have died. Otherwise they use a beacon to.locate the person because a beacon is not nearly bulky as a recco locator.

Day 1 avalanche safety ,chief

 
i thought it was a pretty good explanation of why they sometimes use reccos and sometimes use beacons.

a cell phone signal will not interfere with a recco locator. the reason it detects these electronic devices is because the batteries in them are mostly metal, and reflect the signal.
 
this. recco is a bunch of bullshit, pieps is where its at

Pieps-DSP-TOUR-5001.jpg
 
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