The BWSBF4-10/18-5D7 from Sainty-Tech Communications Limited is a Switched Filter Bank with Frequency 10 to 18 GHz, Band 1 10 to 12 GHz, Band 2 12 to 13.4 GHz, Band 3 13.4 to 16.2 GHz, Insertion Loss 13 dB. Tags: Die. More details for BWSBF4-10/18-5D7 can be seen below.