The 5TNF-1700/2000-0.1-N/N from K&L Microwave is a Tunable Filter with Frequency 1.7 to 2 GHz, Bandwidth 3 to 3.6 MHz, Input Power 50 W, Insertion Loss 0.5 dB. Tags: Benchtop, Mechanically Controlled. More details for 5TNF-1700/2000-0.1-N/N can be seen below.