The AE2247-2072DB5478 from Anatech Electronics is an S-band Cavity Duplexer with passbands from 2200 to 2295 MHz and 2025 to 2120 MHz. It has an insertion loss of less than 1.5 dB and an isolation of more than 105 dB. The high power duplexer can handle up to 400 W of CW power. It is available in a module that measures 8.08 x 5.87 x1.69 inches with DIN female connectors.