The passive diplex filter separates T channel return path from SMATV and CATV systems. It is DC passive on low frequency port. Type F connectors are utilized. The DIP42 is a high performance diplex filter that splits or combines T channel (DC to 42MHz) and TV and cable TV channels (50 to 1000MHz).
Low port passes DC to 42MHz with less than 1dB loss
High port passes 50 to 1000MHz with a 1dB typical loss