SM5806 is a reverse polarity SMA male to TNC female RF adapter designed for microwave and RF applications. It features a frequency range of DC to 11 GHz with a maximum VSWR of 1.2:1, maintaining 50 Ohm impedance on both connectors. The adapter has a straight body design with gold-plated inner conductors and brass/nickel-plated coupling nuts and body, utilizing PTFE dielectric material for both connectors. With dimensions of 1.157 inches in length and 0.5 inches in width, this compact adapter is ideal for RF test equipment, communication systems, and microwave instrumentation where reliable impedance matching and low signal reflection are critical.