The D5BT-30/76-5-N/N-GRI from K&L Microwave is a Tunable Filter with Frequency 30 to 76 MHz, Bandwidth 2.3 MHz, Input Power 50 W, Insertion Loss 1.3 dB, Supply Voltage 24 V. Tags: Benchtop, Digitally Controlled. More details for D5BT-30/76-5-N/N-GRI can be seen below.