The Model 5587 from Netcom is a Tunable Filter with Frequency 90 to 520 MHz, Bandwidth 12.9 to 30.1 MHz, Input Power 1 W, Insertion Loss 3.3 to 6.3 dB, Supply Current 0.3 to 275 mA. Tags: Surface Mount, Digitally Controlled. More details for Model 5587 can be seen below.