ADB3/ADN3 is a wideband UHF omnidirectional antenna designed for wireless audio systems. It covers 430–1260 MHz, provides approximately 3 dBi gain, vertical polarization, and a 50 Ω impedance. The RF connector options are N or BNC. It uses epoxy fiberglass copper-clad construction with a black matte weather-resistant finish and IP67 protection. Mounting supports 5/8" and 3/8" threads; weight is 225 g (BNC) or 275 g (N).