The ST4012 is an RF termination, also known as a dummy load, designed to absorb incident energy with minimal reflection in unused RF ports. It operates over a wide frequency range from DC to 40 GHz with a maximum VSWR of 1.25:1 and a nominal impedance of 50 Ohms. This device handles a maximum input power of 0.5 Watts (CW) and features a durable passivated stainless steel body with a 2.92mm male connector. The ST4012 is suitable for a variety of high-frequency applications including test and measurement, radar systems, satellite communications, and both commercial and military communication systems.