SPDT is short for Single Pole Double Throw. The single pole double throw switch consists of a moving end and a fixed end. The moving end is the so-called “POLE”, which should be connected to the incoming line of the power supply, that is, the incoming end, and generally the end connected to the switch handle; The other two ends are the two ends of the power output, namely the so-called fixed end, which are connected to the electrical equipment. Its function is to control the power supply to output in two different directions, that is to say, it can be used to control two devices, or it can also control the same device to change the operating direction.
SPDT coaxial switch is a coaxial switch with SPDT structure. You can choose detail as our product select chart to choose the switch needed in your RF/microwave system.