This is Satellite Signal Line Connector F connector for coaxial cable 100 pieces
It is used to connect cable signal from LNB to diseqc and LNB to satellite decoders.
You can also used to connect signal from antenna to your StarTimes, Free TV, GOTV, DSTV and all free to air satellite.
A coaxial RF connector (radio frequency connector) is an electrical conductor designed to work at radio frequencies in the multi-megahertz range.
RF connectors are typically used with coaxial cable and are designed to maintain the shielding that the coaxial design offers. Better models also minimize the change in transmission line impedance at the connection in order to reduce signal reflection and power loss.
As the frequency increases, transmission line effects become more important, with small impedance variations from connectors causing the signal to reflect rather than pass through.
An RF connector must not allow external signals into the circuit through electromagnetic interference.