The 19A3BB-1 is a programmable attenuator from Renaissance that has been developed for cellular fading simulation applications. It is operates from DC to 3 GHz with a 5.5 dB insertion loss and has a 90 dB Attenuation range in 0.5 dB steps. The attenuator can handle up to 20 dBm at a temperature range from -40 to +85 Degrees C.