Specifications:

It is MX RF plug to MX RCA socket adaptor.
It delivers the clearest, sharpest picture and the brightest, most accurate colors.
MX RF connectors are primarily used in wireless industry, telecommunication field such as Wi-Fi, Antennas, Radio, Computer networks.
MX RCA connectors can be used to connect a variety of audio and video devices such as televisions, satellite or cable receivers, VCRs and game console systems.