The downstream channels tend to have a higher bandwidth, but still, it doesn’t impact the traffic stream. The modem provides 32 downstream channels along with 8 upstream channels for DOCSIS 3.0 and 2 OFDM downstream channels along with 2 OFDM upstream channels for DOCSIS 3.1, with maximum download speeds of 10 Gbps and upload speed of 2 Gbps. My modem is a fairly new Cisco DPC3008. SNR stays around 40. In the Downstream Bonded Channels section, identify the Modulation and Power to find verify SNR levels are within the acceptable range for each downstream channel. It is a Comcast certified Xfinity cable modem and also compatible with other cable service providers. In the Downstream Bonded Channels section, verify Power levels are within the acceptable range of - 15 dBmV to + 15 dBmV for each downstream channel. This manages one way communication to your modem, aka your download speed and signal strength. These numbers are measured at the cable modem itself. ABC, CBS, NBC, FOX, PBS, and more), local government channels, and educational channels. Signal to Noise Ratio (SNR) This is how clear the signal is. The higher the SNR the better the signal. Xfinity TV Packages Comcast Basic Cable. The downstream section is a list of channels you are connected to your ISP with. You can step up to 24 upstream and 8 downstream channels on this cable modem. The power level on all downstream appears to be good (1.5-3.3). For 250 Mbps plans, buy a modem with at least 16 downstream channels. I have an account with Comcast and have recently been experiencing frequent slowdowns and disconnects. There is one package that stands out like a sore thumb, and that is the Limited Basic package. It has 8 downstream and 4 upstream channels. Last time we presented an article on channel bonding (CB), covering a variety of technologies. https://approvedmodemlist.com/comcast-xfinity-approved-modems Once the configuration is complete, all connected smart devices can start using higher data speeds of up to 1 Gbps. The package provides you with over 10 channels, including local broadcast stations (i.e. For Gigabit service (1000 Mbps), buy either the Arris SB8200, Motorola MB8600, Netgear C7800 or Netgear CM1000, which are DOCSIS 3.1 modems. Upstream is around 40-43 on both channels. In the Downstream Bonded Channels section, identify the Modulation and Power to find verify SNR levels are within the acceptable range for each downstream channel. If you’re a customer of a cable provider (known as a multiple services operator or MSO) delivering data/video/voice services, you’re undoubtedly using technology … In the Downstream Bonded Channels section, verify Power levels are within the acceptable range of - 15 dBmV to + 15 dBmV for each downstream channel. However, the power level on 1 … Downstream channel power levels are around 10-11 dbmv. The current spec available today, DOCSIS 3.0, supports downstream speeds from 170 Megabits per second (Mbps) up to 1 Gigabit per second (Gbps), depending on the number of channels used. 6) Channel Congestion. Comcast Business Class Customers: See our Every Comcast Approved Modem for Business page to find compatible modems. Today we’ll look more into depth at DOCSIS 3.0 or D3 channel bonding—CB for data delivered via coax to a cable modem (CM). 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