Consists of 4 model 15 attenuators; has apc-7 connectors w/3, 6, 10, 20 db values; 18.0 ghz dc freq. Range; nom impedance 50 ohms; 5 watt pwr rating; brass body, gold plated; 3 lbs shipping wt; case is 5.5 in lg 5.0 in wd, 2.625 in hg; 25 degrees c ambient temp, max rated avg pwr from 4 watts at 45 degrees c to 0 watts at 125 degrees c