PMI Model DTA-2G18G-60-CD-2-OPT-1G18G is a non-reflective, 10 BIT, programmable 60 dB, pin diode attenuator with step resolution as low as 0.06 dB over the frequency range of 1.0 to 18.0 GHz. This model is offered in a slim line housing measuring only 0.5" H.