The BWSBF4-R8/3-7C5 from Sainty-Tech Communications Limited is a Switched Filter Bank with Frequency 0.8 to 3 GHz, Band 1 0.8 GHz to 1.2 GHz, Band 2 1.1 GHz to 1.6 GHz, Band 3 1.5 GHz to 2.2 GHz, Insertion Loss 6.5 dB. Tags: Die. More details for BWSBF4-R8/3-7C5 can be seen below.