The CM1920/1932MK-B3 from G-WAY Microwave is a Multiplexer with Frequency 1850 to 1910 MHz / 1930 to 1990 MHz / 1710 to 1880 MHz / 2110 to 2155 MHz, Insertion Loss 0.7 to 0.8 dB, Isolation 50 to 80 dB, Power handling 80 W. Tags: Module with Connectors. More details for CM1920/1932MK-B3 can be seen below.