TP-LINK ADSL2+ Modem Router. Upstream data rate: 3.5 Mbit/s, Downstream data rate: 24 Mbit/s. Compliance industry standards: IEEE 802.3, IEEE802.3u. Networking features: Fast Ethernet. Operating temperature range (T-T): 0 - 40 °C, Operating relative humidity range: 10 - 90 %, Storage temperature range (T-T): -40 - 70 °C. Power supply type: 9VDC/0.6A PSU