Archer Model 5 aircraft transponder antenna

Description

Transponder antenna. These typically cost about 5.00
Here is a MFG description:
Model 5:
This transponder/DME antenna is an etched copper clad epoxy circuit board dipole designed to be installed inside nonconductive air- craft without need for additional installation of a ground plane. The dimensions are 6" x 7" and it can be installed in the aft fuselage or the wings with the 6" dimension vertical. VSWR is less than 1.2:1 over bands of 1032 to 1090 Mhz
(VSWR) means Voltage Standing Wave Ration. Less is better and this is very very good.