I have taken a Idea 4G datacard(no voice connection) at Chennai. In the past 10 days, I got 7mbps speed at two instances and less than 0.256mbps in all other occasions. Frustrating really! Not much help from Helpdesk either.
I live within the city and my airtel gives between 7 to 11mbps at all times. I feel the coverage of Idea 4G is inadequate, Buckle up Idea! At this rate, I think the(soon to be) new kid in town Rio 4G will eat Idea for breakfast. [I use speedtest.net for all measures].