The BWSBF-7R8/10R9-3 from Sainty-Tech Communications Limited is a Switched Filter Bank with Frequency 7.8 to 10.9 GHz, Band 1 7.8 to 9.1 GHz, Band 2 8.2 to 9.8 GHz, Band 3 8.8 to 10.9 GHz, Insertion Loss 4.2 to 4.6 dB. Tags: Die. More details for BWSBF-7R8/10R9-3 can be seen below.