The BWSBF-13R5/18-3 from Sainty-Tech Communications Limited is a Switched Filter Bank with Frequency 13.5 to 18 GHz, Band 1 13.5 to 18 GHz, Band 2 15 to 16 GHz, Band 3 16 to 18 GHz, Insertion Loss 5.5 to 6 dB. Tags: Die. More details for BWSBF-13R5/18-3 can be seen below.