The AT-107-PIN from MACOM is a RF Variable Attenuator with Frequency DC to 2 GHz, Attenuation Range 0 to 31.5 dB, Attenuation Step 0.5 dB, Power 0.12 to 0.79 W (21 to 29 dBm), P1dB 21 to 29 dBm. Tags: Surface Mount, Digital. More details for AT-107-PIN can be seen below.