SDT was founded in 1996 as a supplier of quality, low cost RF coaxial connectors. Located in Shanghai, the high technology center of China, SDT is housed in a modern, multi-level production facility. SDT is ISO9001 certified and is vertically integrated. We design, fabricate, plate, assemble and RF test our own connectors. Product line includes a broad mix of coax connector series, RF adapters and coax cable assemblies.