SKYA210xx RF Switches Skyworks SKYA210xx RF Switches are offered in SPDT, SPDT (SP2T), SP3T, SP4T, and DPDT configurations. These devices provide excellent performance and value while utilizing proven technologies for high reliability. SKYA210xx RF Switches are used in various systems, including cellular smartphones, base stations, WLAN front-end modules, and RF/microwave test instruments. These compact, surface-mounted switches are ideal for space-constrained applications and are offered in various packages for design flexibility.