DHT Electronics 2pcs RF coaxial coax adapter SMA female to UHF female SO-239 SO239 Package include: 2 x adapters Connector:It is a solid UHF connector and Brass body material (Not Alloy) ensure higher signal transmission and connectivity Impedance :50 ohm;Temperature tolerance:300C application for Antennas, Wireless LAN Devices , Coaxial cable, Wi-Fi Radios External Antenna and so on DHT Electronics Brand is a Registered Trademark of DHT LLC.Only authorized seller of DHT Electronics can sell under DHT Electronics listings.