AGN00 is a passive ground‑plane antenna with vertical polarization and omnidirectional radiation for wireless audio systems. It covers VHF 130–250 MHz and UHF 470–880 MHz, with a fixed switching window. The antenna uses an N‑type female connector, 50 Ω impedance, and SWR typically below 1:1.5. Mounting is by the supplied plug on a tripod or similar support, with a 3/8" screw. Dimensions: Ø78 mm, length 90 mm, weight about 800 g.