The SMG2 from MACOM is a RF Variable Attenuator with Frequency 5 to 2000 MHz, Attenuation Range 18 to 34 dB, Peak Power 1 W, Insertion Loss 2.3 to 4 dB, Switching Time 25 to 70 uS. Tags: Surface Mount, Voltage Controlled. More details for SMG2 can be seen below.