The BWSBF-2/6-4 from Sainty-Tech Communications Limited is a Switched Filter Bank with Frequency 1.5 to 7 GHz, Band 1 1.5 to 3.8 GHz, Band 2 2.9 to 4.6 GHz, Band 3 3.8 to 5.5 GHz, Insertion Loss 6 to 6.2 dB. Tags: Die. More details for BWSBF-2/6-4 can be seen below.