PMI Model No. PDVAN-8018-60-8 is an 8-bit programmable 60 dB pin diode attenuator with step resolution as low as 0.25 dB over the frequency range of 8.0 to 18.0 GHz with an Insertion Loss of 3.7 dB; VSWR of 2.0:1; Power Rating of +20 dBm; Attenuation Flatness of ±1.5 dB; and Switching Time of 500 ns.  Housing size is 2.00" x 1.80" x 0.50" and has SMA Female Connectors.