The PDSBF4-2/3-5C8 from Sainty-Tech Communications Limited is a Switched Filter Bank with Frequency 2 to 3 GHz, Band 1 2 to 2.25 GHz, Band 2 2.25 to 2.5 GHz, Band 3 2.5 to 2.75 GHz, Insertion Loss 8.5 dB. Tags: Die. More details for PDSBF4-2/3-5C8 can be seen below.