ARRIS (G36) Cable Modem Router Combo Multi Gigabit WiFi 6 (AX3000 Amazon.com: ARRIS (G36) Cable Modem Router Combo Fast DOCSIS 3.1 Amazon.com: ARRIS Surfboard G36 DOCSIS 3.1 Multi Gigabit Cable Modem Amazon.com: Arris (G34 RB) Cable Modem Router Combo Fast DOCSIS 3.1 ARRIS (G34) Cable Modem Router Combo Fast DOCSIS 3.1 Gigabit WiFi 6 Amazon.com: ARRIS (G36 RB) Cable Modem Router Combo Fast DOCSIS 3.1. ARRIS Refurbished Cable Modem Router Combo Docsis G36 RB Condition: New Size: 3. 1 Multi Gigabit Wifi MPN Model: G36 RB Features: DOCSIS 3. 1 cable modem & Wi Fi 6 router best for cable internet speed plans up to 2. 5 Gbps Dual concurrent AX3000 Wi Fi. Compatible with Cox, Spectrum, Xfinity and other major U. S. cable internet providers Easily setup, manage and customize your modem with the SURFboard Central App 32 downstream x 8 upstream DOCSIS 3. 0 channels or 2 downstream x 2 upstream OFDM DOCSIS 3. 1 channels Approved for Cox, Spectrum and Xfinity internet along with other US cable internet providers. Is NOT compatible with ATT, CenturyLink, Verizon, Frontier or other Fiber Optic, DSL or Satellite internet service providers. Does NOT support cable digital voice service.