Comet CF-416A Antenna Duplexer.



CF-416A: Sometimes referred to as combiners or splitters, these duplexers are basically band pass filters, simultaneously passing RF in both directions through the common connector. The combined high grade filters work for preventing TVI, and the isolation between the two connectors is more than 60dB.
Low Pass: 1.3-170MHz Power rated: 800W PEP
High Pass: 350-540MHz Power rated: 500W PEP
Common: SO-239
Low pass: PL-259
High pass: PL-259
Isolation: 60dB minimum
Low Pass Loss: 0.15dB
High Pass Loss: 0.25dB