Quantic PMI Model PS-3R5G6R5G-10B-SFF is a 10-Bit Digital Phase Shifter that operates over the 3.5 to 6.5 GHz frequency range and offers 360° phase shift having a LSB of 0.35°.  It has a maximum VSWR of 1.6:1; a maximum phase flatness of ±10°, and a minimum harmonic of -50 dBc.   Contains SMA female connectors and the size is 3.25" x 3.25" x 0.84".  https://www.pmi-rf.com/product-details/ps-3r5g6r5g-10b-sff