Quantic PMI Model PIQ-2G18G-360-16-CD-2 is a 2 to 18 GHz, high performance I/Q Vector Modulator with 2 x 12-bit monotonic TTL compatible channels (I and Q). This model offers a full 360° phase shift with a minimum of 16 dB of amplitude control. Housing size is 4.25" x 3.5" x 1.0" with SMA female connectors. COTS Availability and ROHS Compliant.  https://www.quanticpmi.com/product-details/piq-2g18g-360-16-cd-2