The MSP4TA-18-12+ from Mini-Circuits is an rugged-duty absorptive fail-safe Electro-Mechanical SP4T switch that operates from DC to 18 GHz. The device has a typical switching speed of 20 milliseconds, insertion loss of 0.2 dB and high isolation of 90 dB. It requires a supply voltage of +12 VDC and has a switching life of 10 million cycles. The MSP4TA-18-12+ is ideal for switching of automated test equipment and for redundancy switching.