This SO239 connector impedance: 50ohm, Low-loss. Surface treatment: Nickel plated. Body made of Brass, gold-Plated center contact.
UHF adapter with panel mount is commonly used to make J pole antenna, 1/4 Wave antenna, ground plane antenna and other projects like Baluns, dipoles, project boxes.
The PL259 female panel mount is compatiable for Antennas, Wireless LAN Devices , Coaxial cable, Wi-Fi, Radios, External Antenna, Broadcast, Telecom, CCTV, Microwave Applications, Digital Communication System and so on.
This pl259 coax connectors is well made, over 1000 Times Mating Life Time.