The MINI-POLE Series from Pole/Zero is a Tunable Filter with Frequency 30 to 520 MHz, Bandwidth 14.7 to 39.2 MHz, Insertion Loss 2.5 to 8.5 dB, Supply Voltage 4.5 to 5.5 V, Operating Temperature -40 to 85 Degree C. Tags: Surface Mount, Digitally Controlled. More details for MINI-POLE Series can be seen below.