The AT-213-PIN from MACOM is a RF Variable Attenuator with Frequency DC to 3 GHz, Attenuation Range 0 to 15 dB, Attenuation Step 1 dB, Power 0.15 to 0.63 W (22 to 28 dBm), P1dB 22 to 28 dBm. Tags: Surface Mount, Digital. More details for AT-213-PIN can be seen below.