RF Switch Click Mikroe RF Switch Click features the Macom MASWSS0115 GaAs PHEMT MMIC single-pole, double-throw (SPDT) switch. The MASWSS0115 is used for switching between small signal components like filter banks, single-band LNAs, converters, and more. The MASWSS0115 is ideal for very small size and low-cost applications. RF Switch Click is used for low power, low loss requirements in all systems operating up to 3GHz. This includes PCS, GSM, DCS, Bluetooth, and other receive chain applications.