The AV-300 ELT antenna is intended for use with a 406 MHz 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). It has met DO-160G, Section 8, Category U requirements for robust vibration and is qualified for installation on helicopters with unknown rotor frequencies.

Model	AV-300
Application	Airborne ELT
Frequency	121.5 MHz, 243 MHz and 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
Polarization	Vertical
Pattern	Omni-Directional
Connector	“BNC” Female
Max Height	14″
RF Power Capacity	10 Watts CW
Weight	9 oz.
FAA TSO	C126a