The QDAT6-26.5-40-62 from Qualink Microwave is a RF Variable Attenuator with Frequency 26.5 to 40 GHz, Attenuation Range 62 dB, Attenuation Step 1 dB, Attenuation Accuracy 2.5 dB, Insertion Loss 13 dB. Tags: Module with Connectors, Digital. More details for QDAT6-26.5-40-62 can be seen below.