Telecom Digital Holdings Limited, an investment holding company, engages in the telecommunications and related businesses in Hong Kong and the People's Republic of China. It operates through the Product Business, Operation Services, and Property Investments segments. The company offers electronic devices, other consumer goods, and related services; paging and other telecommunication products and services; operation services; maintenance and management services for paging transmission stations; consulting services; management consultancy and professional services; distribution services; and technical support services. It is also involved in the e-commerce business, trade of telecommunications products, and investment in properties. The company was founded in 1974 and is headquartered in Kwun Tong, Hong Kong. Telecom Digital Holdings Limited operates as a subsidiary of CKK Investment Limited.