The BWSBF4-3/9R8-6C6 from Sainty-Tech Communications Limited is a Switched Filter Bank with Frequency 3 to 9.8 GHz, Band 1 3 to 4 GHz, Band 2 4 to 5.6 GHz, Band 3 5.6 to 8 GHz, Insertion Loss 8.5 dB. Tags: Die. More details for BWSBF4-3/9R8-6C6 can be seen below.