broadband speed Jio tops Trai's 4G mobile broadband chart in Aug with 21.3 mbps speed Vodafone, however, maintained lead in terms of upload with 5.5 mbps speed. COAI favours minimum broadband speed of up to 2 Mbps for 4G network Currently, the minimum broadband speed is 512 Kbps. « Previous1Next » 1 of 1