The 134-1001-004 is an SMA Jack to SMPM Plug adapter designed for high-frequency RF applications requiring reliable signal transmission. It operates across a frequency range of DC to 26.5 GHz with a VSWR of 1.20 maximum from DC to 20 GHz and 1.25 maximum from 20 to 26.5 GHz, ensuring minimal signal reflection and high-quality data transmission. The adapter features an insertion loss of 0.12v(F) dB maximum, where F is frequency in GHz, providing low-loss performance across its operating range. This adapter is ideal for test and measurement equipment, semiconductor ATE test boards, instrumentation test fixtures, and communication and computer network applications where precision RF connectivity is essential.