N Attenuators 20 dB; 1 Watt; ≤ 1 GHz; VSWR ≤ 1,2/1 GHz; Inner conductor gold plated The N series is a very popular coax connector. It is a medium sized, precision, weatherproof connector supplied with a screw coupling. In some applications this connector can be used up to 11 GHz. Only 50 ?impedances are available.