The MN-225-520-7-T01 from Pole/Zero is a Tunable Filter with Frequency 225 to 520 MHz, Bandwidth 20.65 MHz, Insertion Loss 2 dB, Supply Voltage 4.5 to 5.5 V, Operating Temperature -40 to 85 Degree C. Tags: Surface Mount, Digitally Controlled. More details for MN-225-520-7-T01 can be seen below.