Active omnidirectional antenna – for active omnidirectional reception of horizontally polarized waves in the frequency range from 20 MHz to 500 MHz.

Omnidirectional antenna – for detecting and monitoring horizontally and vertically polarized signals in the frequency range from 1 GHz to 3 GHz.

Omnidirectional antenna – for detecting and monitoring horizontally polarized signals in the frequency range from 500 MHz to 1.3 GHz.