The ADRF-2PLX-2100-4310 from ADRF is a Duplexer with a passband from 1710 to 1755 MHz (Band 1) and 2110 to 2155 MHz (Band 2). The Duplexer has an insertion loss of less than 1.5 dB and an isolation of over 80 dB. It can handle up to 100 watts of power and is available in a connectorized module that measures 6.39 x 2.99 x 1.77 inches with 4.3-10 female connectors.