Dow-Key Microwave Corp. introduces the first SPDT switch with TLL control in the Reliant SwitchTM Series that is designed to specifically meet the requirements for performing a successful RF test. With a high isolation of 85 dB at 4 GHz, the Reliant Switch is able to maintain the integrity of the measured signal within its port-to-port testing. The switch sustains a guaranteed insertion loss repeatability of 0.03 dB across the entire DC to 26 GHz frequency band.