The BWSBF4-4R5/13R5-5C7 from Sainty-Tech Communications Limited is a Switched Filter Bank with Frequency 4.5 to 13.5 GHz, Band 1 4.5 to 7.5 GHz, Band 2 6.5 to 9.5 GHz, Band 3 8.5 to 11.5 GHz, Insertion Loss 9 dB. Tags: Die. More details for BWSBF4-4R5/13R5-5C7 can be seen below.