The BWSBF-1R5/8R4-5 from Sainty-Tech Communications Limited is a Switched Filter Bank with Frequency 1.5 to 8.4 GHz, Band 1 1.5 to 2.5 GHz, Band 2 2.3 to 3.5 GHz, Band 3 3 to 5 GHz, Insertion Loss 10.5 to 11 dB. Tags: Die. More details for BWSBF-1R5/8R4-5 can be seen below.