Radar

The Radar is an informational accessory which displays the number of nearby enemies. It is one of the ingredients of the R.E.K. 3000, the others being the Lifeform Analyzer, and the Tally Counter, and as such is a required ingredient in making the Cell Phone.

It can be obtained from looting regular Chests found on/near the surface or from Wooden Crates and Pearlwood Crates which are obtained via fishing.

Trivia

 * Real-life is a detection system that uses radio waves to determine the range, angle, or velocity of objects. It can be used to detect aircraft, ships, spacecraft, guided missiles, motor vehicles, weather formations, and terrain.