Quantic PMI Model SBA-400M1400M-63DB-6B-SFF is a Bi-Directional Switched Bit Attenuator operating from 400 to 1400 MHz. Designed to be switched between a low loss state and 6 set attenuation states. The attenuation range is 0 to 63 dB with 1 dB resolution.  The settings are selected by 6 independent bit controls. https://www.pmi-rf.com/product-details/sba-400m1400m-63db-6b-sff