Half-Life Wiki


848pages on
this wiki
Add New Page
Talk2 Share
HL2 article Safe article logo

The Transponder is a Resistance device used for locating Supply Crates.


  • The transponder allows the crate to be easily found with the radar installed in the Muscle Car.
  • The Transponder is also involved in the Orange Box Achievement "Cache Checker", requiring to find every cache.


List of appearancesEdit

Ad blocker interference detected!

Wikia is a free-to-use site that makes money from advertising. We have a modified experience for viewers using ad blockers

Wikia is not accessible if you’ve made further modifications. Remove the custom ad blocker rule(s) and the page will load as expected.

Also on Fandom

Random Wiki