The PDSBF4-8/12-5D6 from Sainty-Tech Communications Limited is a Switched Filter Bank with Frequency 8 to 12 GHz, Band 1 8 to 9 GHz, Band 2 9 to 10 GHz, Band 3 10 to 11 GHz, Insertion Loss 7 dB. Tags: Die. More details for PDSBF4-8/12-5D6 can be seen below.