The SFB-025-8DR-HPR4W-AL2 from Quantic PMI (Planar Monolithics) is a Switched Filter Bank with Frequency 190 to 2010 MHz, Band 1 190 to 280 MHz, Band 2 260 to 410 MHz, Band 3 390 to 540 MHz, Insertion Loss 5 dB. Tags: Module. More details for SFB-025-8DR-HPR4W-AL2 can be seen below.