The MA4VAT900-1277T from MACOM is a RF Variable Attenuator with Frequency 800 to 1000 MHz, Attenuation Range 21 to 24 dB, Power 33 dBm (Input), P1dB 30 to 33 dBm, IIP3 37 to 40 dBm. Tags: Surface Mount, Voltage Controlled. More details for MA4VAT900-1277T can be seen below.