The SF7500AO-332MHz-A from Dynamic Engineers is a Band Pass Filter with Frequency 328.25 to 335.75 MHz, Bandwidth 7.5 MHz, Center Frequency 332 MHz, Insertion Loss 8 to 9 dB, Rejection 40 to 45 dB. Tags: Surface Mount, RF SAW Filter. More details for SF7500AO-332MHz-A can be seen below.