Doteck, headquartered in China, is a technology company specializing in the design and development of professional-grade video and audio transmission equipment. Their product line includes various fiber optic transmission systems for 4K UHD and HD video, digital audio (AES/EBU) transmission over fiber, and related equipment such as encoders, embedders/de-embedders, converters, splitters, and video conferencing cameras. These products are primarily targeted towards the broadcasting and television industries.