The CBB902.5/934SK-S1 from G-WAY Microwave is a RF Duplexer with Frequency 902 to 903 MHz / 929 to 939 MHz, Band 1 902 to 903 MHz, Band 2 929 to 939 MHz, Power 80 W, Insertion Loss 1 to 3.9 dB. Tags: Module with Connectors. More details for CBB902.5/934SK-S1 can be seen below.