- The ELT (Emergency Locator Transmitter) device is active in the event of an accident or an emergency situation for civil and military aircraft.
- It provides the determination of the post-accident location of the vehicle by sending radio signals.
- It is a three-band (tri-band) monopole antenna:
-VSWR 2.5:1 Max. at 121.5MHz
-VSWR 2.0:1 Max. at 243MHz
-VSWR1.5:1 Max. at 406MHz