The MAXI-30-90-2-SMA from Pole/Zero is a Tunable Filter with Frequency 30 to 90 MHz, Bandwidth 3 MHz, Insertion Loss 2 dB, Supply Voltage 5 to 100 V, Supply Current 10 to 500 mA. Tags: Module with Connectors, Digitally Controlled. More details for MAXI-30-90-2-SMA can be seen below.