When using Internet Now 7.2 Mbps (MF637) modem in high speed mode in ideal conditions, download speed goes up to 5-6Mbps, but in most cases, speeds vary between 300 Kbps and 1500 Kbps. In case of usage of Internet Now 14.4 Mbps (MF658) modem in ideal conditions, speed goes up to 7-9 Mbps, but in most cases speeds vary between 2 Mbps to 5 Mbps. In case of usage of Internet Now 4 (MF680) modem in ideal conditions, speed goes up to 25-33Mbps, but in most cases speeds vary between 7 Mbps to 12 Mbps.
Upload speed, regardless the modem type, is defined up to 384 Kbps (if no exact conditions were defined for your tariff plan).