Phone, PLB or satellite messenger, signal mirror on Everest
Also called: Charged phone, Mirror, Personal locator beacon (PLB)
What it is for
A way to call for help: a charged phone where there is coverage, a satellite messenger or personal locator beacon where there is none, and a mirror to signal. Check the local rules: some countries restrict satellite devices.
What Everest asks for
Standard
Your phone, and your own satellite messenger (inReach), for the people at home and to call for help yourself; do not count on the operator's radio being where you are
Kinds
- Personal Locator Beacons
- Two-Way Messengers
- Smartphones
- Signal Mirrors
Other mountains
- Standard on: Everest, Aconcagua, Denali, Kilimanjaro, Elbrus, Vinson, Kosciuszko, Carstensz Pyramid

