Connector TypeN female jack (hole) to SMA male plug (pin) coaxial cable connector. Connector A is N-type female jack (hole) connector, Connector B is SMA male plug (pin) connector. Use it for connect N-type male connector or SMA female connector MatiarialPure copper with Great connectivity (Not Alloy). Surface treatment: Nickel plated and Gold-plated. PerformanceImpedance: 50 ohm, Low-loss.>1000 Times Mating Life Time. ApplicationApplication for Antennas, Wireless LAN Devices , RF Coaxial Connector, RF Coaxial cable, Wi-Fi, Headheld Radios, External Antenna, Broadcast, Telecom, CCTV, LMR, Microwave Applications, Digital Communication System and so on..Help you connect N to SMA Type Device, Compatible with N type and SMA Connectors or extension cable. Good for the weboost directional antenna to connect to Wilson cell phone booster, low-frequency use. Package2pcs N Female to SMA Male Coax Adapters.