Narda 4797 12.4 to 18 GHz, 0 to 45 dB, 5 Watt, SMA (F-F-F) Level Set Attenuator Narda 4797. Level Set Attenuator. SMA (F-F-F). 12.4 to 18.0 GHz, 0 to 45 dB. 5 Watt, 1.7:1 VSWR. byJuly 5, 2026