The model BW-40N100W is a 50 Ω, 40 dB, 100 W fixed attenuator that is excellent for testing high power components used in communication systems. The attenuator is ideal when testing high power amplifiers using low power test equipment. With 40 dB attenuation, it can be used as a termination for high power amplifiers. The BW-40N100W operates in a frequency range from DC to 4 GHz. Price: $249.95 each (1-9). Mini-Circuits, Brooklyn, NY (718) 934-4500, www.minicircuits.com