Home/RF Relay (Microwave Switch)/TNC interface series RF relays TNC interface series RF relays Low standing wave; low insertion loss; high isolation; self-holding; self-turn-off; high power. Category: RF Relay (Microwave Switch) Related products N series RF relays Read more Coaxial Rotating Joint Read more Type R Waveguide Switch Read more Type C Motorized Waveguide Switch Read more