RCA ,the standard video input connector, subminiature devices that provide repeatable electrical performance from DC to 7.5GHz
RCA which are widely used to connect audio and video components .It use on every TV, DVD player, stereo amplifier, set-top box and countless other devices.

Technical characteristics
Impedance: 50Ω
Temperature Range:55~+155 ℃ 
Frequency Range: DC~7.5GHz
Working Voltage: 2700V rms
Withstanding Voltage: 4000V  r.m.s at sea level
Contact resistance:
Center contact   ≤0.4 mΩ
Outer contact    ≤ 1.5 mΩ
Insulation resistance : ≥ 10000 M Ω
Center conductor retention force  ≥6N
Durability(mating) ≥500 (cycles)
Insulator: PTFE
Body:  brass & gold plated
Pin contact:  brass &  gold plated
Socket contact: copper & gold plated.
Crimp ferrule: copper  &  nickel or gold plated
Resilient contact: beryllium-copper & gold plated.