Programmable Step Attenuator DC to 18GHz, 0 to 11dB, 1dB steps, Option: 002 = SMA female connectors Frequency range: dc to 18 GHz Insertion loss at 0 dB: 0.6 dB + 0.09 dB/GHz Max. SWR: 1.5 to 8 GHz, 1.6 to 12.4 GHz, 1.9 to 18 GHz Repeatability life: 0.03 dB max 5 million cycles per section, typ. Max. RF input power: 1 W (average), 100 W (peak) Connector type: choice of type-N female, SMA female, APC-7 Programming connector: 12-pin Viking, optional 14-pin DIP