This antenna is intended for use with an ELT (Emergency Locator Transmitter) for general aviation. It is a passive three frequency fiberglass rod whip antenna, designed for low speed aircraft (up to 350 knots).
Application: Airbone ELT
Frequency: 121.5, 243 & 406 MHz
Impedance: 50 ohms nominal
VSWR: 2.0:1 max at 121.5 MHz,2.0:1 max at 243 MHz, 1.5:1 Max. at 406 MHz