The VRFC0007-BD from VIPER RF is a RF Variable Attenuator with Frequency DC to 13 GHz, Attenuation Range 0.5 to 7.5 dB, Insertion Loss -3.2 to -2.3 dB, Input Return Loss -14.3 to -12.6 dB, Output Return Loss -12.6 to -11.6 dB. Tags: Die, Digital. More details for VRFC0007-BD can be seen below.