Features: node+amplifier optical input + rf input with automatic switching optical wave length :1200- 1600 nm bandwidth :47-860 mhz. optical sensitivty : +2 to -12 dbm rf input : 75 db +/- 3 double output with test point powerpass /220v ac operated gain and slope controls tin coated metal housing with aluminium top & bottom variants available : ct20 na silver (t series ic), gold( oei ic ) , diamond(nxp ic )