IDOCSIS 3.0 Cable Modem & 802.11N Wi-Fi Router provides speeds up to 300 Mbps. 2.4GHz (Backwards compatible with 802.11b/g)</br>Backwards compatible to DOCSIS 2.0?? 1.1 and 1.0. Requires CABLE Internet Service. If you are unsure of your service?? please contact your CABLE provider to confirm. Compatible with Comcast?? Time Warner?? Cox and MOST Small Regional Cable Providers.  PENDING Charter and Bright Hou