The AE217-221DB5400 from Anatech is a cavity duplexer with pass band frequencies from 217 to 218 MHz and 220 to 222 MHz. It has an isolation of more than 80 dB, an insertion loss of under 2 dB and a return loss of over 14 dB. The duplexer can handle up to 50 W of power and has a VSWR of 1.5:1. It is available in a module that measures 455 x 149 x 194 mm with Type N female connectors.
