Bharti Airtel will launch 4G services in Chandigarh by the end of next month, expanding the footprint of its high- speed Internet service network.

The only firm offering 4G services in India, covering Kolkata, Bangalore and Pune, the company has roped in Chinese equipment maker ZTE to build and operate the 4G network in Chandigarh.

4G mobile Internet technology provides download speeds of around 100 Megabits per second (Mbps) on the move and it can go up to 1 Gigabits per second (Gbps) at a fixed location.

Airtel had won spectrum for high-speed broadband service - Broadband Wireless Access (BWA) - in four telecom services areas of Kolkata, Maharashtra, Punjab and Karnataka in 2010, paying Rs 3,314.36 crore .