The MAAT-010521-H1 from MACOM is a RF Variable Attenuator with Frequency 17.6 to 40 GHz, Attenuation Range 38 dB, Power 30 dBm (Input), P1dB 20 to 27 dBm, IIP3 27 to 42 dBm. Tags: Surface Mount, Voltage Controlled. More details for MAAT-010521-H1 can be seen below.