7-539 Low Pass Filter | 30MHz–530MHz, Tchebyscheff FilterThe 7 539 VHF UHF low pass filter is designed to operating between the frequencies from 30 MHz to 530 MHz and stop signals from 960 MHz to 1,220 MHz. It is designed for general subsonic airborne applications. This filter is constructed using aluminum to enclose its discrete component circuitry and features N type male and female connector at each end.