This Ultra High Q BPF has 8 Poles of Cross Coupled Cavity Filtering yielding excellent selectivity and co-site performance in high traffic areas. Using a combination of this filter with your amplified or non-amplified system gives you the ultimate weapon against co-site interference and noisy environments.
For optimum RF performance we recommend connecting this BPF between your radio and antenna. Or for amplified solutions connect the BPF between your amplifier and antenna.