Telecom card to the hospital as soon as no signal

Protecting patients and equipment safety. This is because hospitals generally take some special security measures to protect the safety of medical equipment and patients, one of which is to limit or shield the signals of the telecommunications network to prevent the impact of electromagnetic interference on medical equipment. China Telecom is a mega state-owned communications enterprise formed by the state, and is the largest basic network operator in China, with the world's largest fixed-line telephone network, covering all provinces, cities, counties and townships across the country.