The Department of Telecom on Tuesday approved applications of telecom companies for conducting 5G trials. The companies are Reliance Jio, Bharti Airtel, Vodafone and MTNL. None of them will be using technologies of Chinese entities. The list of telecom gear makers approved for trials include Ericsson, Nokia, Samsung, C-DOT and Reliance Jio. The government may bar Chinese companies from participating in rolling out of the 5G services in the country.