The D5BT-63/125-5-N/N-GRI from K&L Microwave is a Tunable Filter with Frequency 63 to 125 MHz, Bandwidth 3.1 MHz, Input Power 50 W, Insertion Loss 1.3 dB, Supply Voltage 24 V. Tags: Benchtop, Digitally Controlled. More details for D5BT-63/125-5-N/N-GRI can be seen below.