The RSF-433.000-720-3030-TR from Raltron is a Band Pass Filter with Frequency 432.64 to 433.36 MHz, Bandwidth 720 kHz, Center Frequency 433 MHz, Rejection 35 to 55 dB, Upper Rejection 35 to 43 dB. Tags: Surface Mount, RF SAW Filter. More details for RSF-433.000-720-3030-TR can be seen below.