The ATL6B from Cobham Signal & Control Solutions is a RF Variable Attenuator with Frequency 1 to 2 GHz, Attenuation Range 63 dB, Attenuation Accuracy ± 0.5 to ± 1.0 dB, Power 1 W, Insertion Loss 3.3 dB. Tags: Module with Connectors, Programmable, Digital. More details for ATL6B can be seen below.