ALL-CHANNEL MATCHING TRANSFORMER - INPUT IMPEDANCE: 75 OHMS - OUTPUT IMPEDANCE: 300 OHMS - INSERTION LOSS: 0.6 DB (VHF 54 TO 300 MHZ), 1.5 DB (UHF 470 TO 890 MHZ) - BALANCE: 40 DB (VHF), 35 DB (UHF) - AC AND DC ISOLATION - MOUNTED ON A BRACKET FOR FLUSH MOUNTING IN ANY ELECTRICAL OUTLET BOX - INDIVIDUALLY DISPLAY PACKED, COMPLETE WITH COVER PLATE AND MOUNTING HARDWARE