Feature●Package include: 2 x adapters●application for Antennas, Wireless LAN Devices , Coaxial cable, Wi-Fi Radios External Antenna and so on●Impedance :50 ohm●Brass material(Not Alloy) and gold plated ensure higher signal transmission and connectivityDescription 2PCS RF coaxial coax adapter N male to UHF female SO-239 SO239 connector