Test internet speed wifi - 5g 4g 3g Data Monitor. Check & Measure internet speed, monitor the data transfer of 2G 3G 4G 5G & WiFi. "Test internet speed wifi - 5g 4g 3g Data Monitor" solves the problems: Is the internet slow and often disconnected? The monthly data transmission capacity exceeds when you connect mobile phone 3g, 4g, 5g?