The BPF-460NFNF from NexTek is a Positive Train Control (PTC) Bandpass Filter with passband frequency from 450 to 470 MHz. This filter has a passband insertion loss of less than 1 dB and a stopband insertion loss of over 60 dB. It can handle an input power of up to 25 W and has a VSWR of less than 1.22:1. The filter provides optimum filtering, a sharp cut-off, notched response, and reduces the interference from co-located radios, internal (on-board), and external components. It is available in an IP67 rated, weatherproof module that measures 57.2 x 177.8 x 28.1 mm with N-Type Female connectors and is specifically designed for railroad positive train control, and PTC networks.
