The C6N5 from Preferred Power Products (P3) is a Fixed Attenuator with Frequency DC to 6 GHz, Attenuation 1, 2, 3, 6, 10, 15, 20, 30, 40 dB, Power 5 W, Peak Power 250 W, Attenuation Accuracy ±0.4 to ±0.8 dB. Tags: Connectorized. More details for C6N5 can be seen below.