The PSF29B02SV2S from Nuvotronics, Inc. is a Band Pass Filter with Frequency 27.5 to 30 GHz, Bandwidth 2500 MHz, Center Frequency 28750 MHz, Insertion Loss 0.5 dB, Upper Rejection 20 to 50 dB @ 31.3 to 42.5 GHz. Tags: Surface Mount. More details for PSF29B02SV2S can be seen below.