Quantic PMI Model P20T-4G8G-80-T-515-SFF-HERM is an Absorptive, SP20T, Pin Diode Switch that operates over the 4 to 8 GHz frequency range with a switching speed of 2 µs Max; isolation of 80 dB Min, insertion loss of 4 dB Max, & an input power of 100 mW Max CW (Hot Switchable).  This model incorporates a TTL compatible driver for easy system integration. Unit size is 4.0" SQ x 0.63" with SMA (F) connectors & is hermetically sealed.  https://www.quanticpmi.com/product-details/11dp-11r5-16r5-cd-sff