New Delhi, June 18 (IANS): Bharti Airtel on Thursday launched fourth generation (4G) trials for its customers in Delhi National Capital Region (NCR), a company statement said here.

"Airtel's 4G services in the NCR are the first in India to leverage an integrated frequency division (FD) and time-division (TD) network which will deliver the fastest 4G experience and superior network coverage," said the statement.

As part of the trial offer, its customers across Delhi NCR can now avail a complimentary upgrade to Airtel 4G at 3G prices, it said.

"The company will assimilate valuable customer feedback from these early adopters and leverage the initial market response towards strengthening its service experience - thus building a world-class 4G network infrastructure for the city," it said.

"Today, as we launch Airtel 4G trials exclusively for our existing in Delhi NCR - our customers in the region will be uniquely positioned to experience India's first integrated FD and TD 4G network," said Sarang Kanade, Bharti Airtel's (India) hub CEO, Delhi NCR and Rajasthan.