The CBB864/14SK-S1 from G-WAY Microwave is a RF Duplexer with Frequency 835 to 849 MHz / 880 to 894 MHz, Band 1 835 to 849 MHz, Band 2 880 to 894 MHz, Power 60 W, Insertion Loss 0.8 to 0.9 dB. Tags: Module with Connectors. More details for CBB864/14SK-S1 can be seen below.