PL259 даже не 50 ом архаизм который сохранился только в хам радио. Самое главное достоинство быстрота сборки.
Despite the name, the UHF connector is rarely used in commercial applications for UHF frequencies, as the non-constant impedance (the impedance drops to 30-40 Ω for about a centimeter in the central region of the connector) means they create significant electrical signal reflections above 300 MHz
