The D5TNF-2000/2700-1.4MHZ-N/N-GRI from K&L Microwave is a Tunable Filter with Frequency 2 to 2.7 GHz, Bandwidth 10.5 MHz, Rejection 35 dB @ 1.4 MHz, Insertion Loss 1 dB, Supply Voltage 28 V. Tags: Benchtop, Digitally Controlled. More details for D5TNF-2000/2700-1.4MHZ-N/N-GRI can be seen below.