Quantic PMI Model DTA-18G40G-60-CD-1-OPT32G37G is a 11 BIT programmable 60 dB attenuator with step resolution as low as 0.05 dB over the frequency range of 32 to 37 GHz. Housing measures 2.0" x 1.8" x 0.5" with 15 Pin Micro-D female control connector (Mating Connector Supplied) and 2.92mm female connectors.