The Maxi-Pole Notch Series from Pole/Zero is a Tunable Filter with Frequency 1.5 to 400 MHz, Input Power 1 W, Insertion Loss 1 dB, Supply Voltage 5 to 100 V, Supply Current 10 to 500 mA. Tags: Module with Connectors, Digitally Controlled. More details for Maxi-Pole Notch Series can be seen below.