The PDSBF4-7R98/9R22-4D9 from Sainty-Tech Communications Limited is a Switched Filter Bank with Frequency 7.98 to 9.22 GHz, Band 1 7.98 to 8.32 GHz, Band 2 8.28 to 8.62 GHz, Band 3 8.58 to 8.92 GHz, Insertion Loss 8.5 dB. Tags: Die. More details for PDSBF4-7R98/9R22-4D9 can be seen below.