The 3TNF-1500-3000-N/N from K&L Microwave is a Tunable Filter with Frequency 1.5 to 3 GHz, Bandwidth 10 to 27 MHz, Rejection 40 dB @ 800 KHz, Input Power 50 W, Insertion Loss 0.5 dB. Tags: Benchtop, Mechanically Controlled. More details for 3TNF-1500-3000-N/N can be seen below.