Optivision Model no.P12 & P05 (Power Over Coaxial) is very small in Size & can be operated with any 12v-1amp . Dc Power asopter . This POC have 2 f-socket connector with Reverse DC system at RF Input Side & it have 12V DC Output for CATV Set up box ( 5V DC Output is optional). It is designed for CATV FTTH network with DC protection circuit & have surge protection for better life. This POC Power over Coaxial is constructed with high quality components to enable it to meet or exceed its performance.