Nuovo connettore duplexer N 50 W VHF 6 cavità ripetizione radio sintonizzazione GRATUITA 136-180 MHz #
136~180MHz. This frequency space of this duplexer need to be larger than 3.8mhz, it can not be tuned with split less than that. For example, if the low frequency is 140.00mhz, the high frequency need to be at least 143.8mhz.