Professional-grade Ericsson diplexer model KAF 102 409/3 is a telecommunications component designed for signal combining. This metal unit has a light gray finish and features six RF connectors labeled for COM A, COM B, B2 A, B66/B30 A, B66/B30 B, and B2 B. It supports frequency ranges of 1850-1995MHz for B2/B25 and 1695-1780/2110-2360MHz for B66/B30. The device has an IP67 rating and NEMA Type 6 certification for environmental protection.