The AV-601 antenna is designed specifically to meet FAA TSOC87a specifications.

Qualification testing includes meeting the requirements of EUROCAE ED-30, Edition 2, "Minimum Performance Standards for Airborne Low Range Radar Altimeter Equipment", as modified by Appendix 1 of the TSO

Application	Airborne Low Range Radar Altimeter
Frequency	4200-4400 MHz
VSWR	1.5:1 Max (4275-4325 MHz) 2.3:1 Max (4200-4400 MHz)
Polarization	Linear
Radiation Pattern	Roll Plane(E): 45° min.
Beam Widths	Pitch Plane (H): 40° min.
Impedance	50 Ohms
Gain	9.5 dBi
Isolation H-Plane	16″ – 80 dB 20″ – 88 dB 30″ – 90 dB 36″ – 95 dB

 

RF Power Capacity	5 watts avg./500 watts max.
Side Lobe Level	-40 dB
Lightning Protection	DC Grounded
Connector	TNC Female
Max Height	.14″
Max Weight	0.25 lb. (113g)
Finish	Skydrol-resistant polyurethane enamel
Mesh Gasket	3.50″ X 3.65″ X 0.02″
FAA TSO	C87a