The PDSBF4-7R7/9R3-5D8 from Sainty-Tech Communications Limited is a Switched Filter Bank with Frequency 7.7 to 9.3 GHz, Band 1 7.7 to 8.55 GHz, Band 2 7.95 to 8.8 GHz, Band 3 8.2 to 9.05 GHz, Insertion Loss 8 dB. Tags: Die. More details for PDSBF4-7R7/9R3-5D8 can be seen below.