The MAXI-90-200-4-SMA from Pole/Zero is a Tunable Filter with Frequency 90 to 200 MHz, Bandwidth 3.3 MHz, Insertion Loss 4 dB, Supply Voltage 5 to 100 V, Supply Current 10 to 500 mA. Tags: Module with Connectors, Digitally Controlled. More details for MAXI-90-200-4-SMA can be seen below.