The T06210736 from POLOMARCONI.IT is a Tetra Duplexer that operates from 430 to 470 MHz. It has a bandwidth of 3 MHz, a Tx/Rx distance of greater than 10 MHz, and an out-of-band attenuation (up to 2.8 GHz) of more than 40 dB. This duplexer can handle an input power of up to 100 W and provides a Tx/Rx isolation of more than 73 dB. It is available in a module that measures 197 x 95 x 130 mm with N-type (female) connectors.