Quantic PMI Model PS-90-6012-HS15NS is a Miniature High-speed Bi-Phase Modulator / Phase Shifter that operates in the 6 to 12 GHz frequency range, 0 & 180° phase states, insertion loss of 2.5 dB typical, VSWR: 2.0:1, operating input power of +20 dBm and a switching speed of 15 ns.  This Model uses TTL control logic (ECL logic is available) in a package size of 1.0" x 1.0" x 0.5" with SMA (F) connectors.  https://www.quanticpmi.com/product-details/ps-90-6012-hs15ns