The QDAT6-18-26.5-62 from Qualink Microwave is a RF Variable Attenuator with Frequency 18 to 26.5 GHz, Attenuation Range 62 dB, Attenuation Step 1 dB, Attenuation Accuracy 2 dB, Insertion Loss 11 dB. Tags: Module with Connectors, Digital. More details for QDAT6-18-26.5-62 can be seen below.