![]() ![]() Some laptops may support upgrades, while others do not. If you receive two different speeds, consider purchasing a new device or upgrading your WiFi card. However, an older laptop may not be compatible with the desired Internet speed. Your smartphone, especially if it is a recent model, should give an accurate reading of your Internet speed. To determine if the issue is with your device, run speed tests on various devices, such as a laptop and an iPhone. To verify the type of coax cable, check the cable itself for the manufacturer’s information.Īdditionally, inspect the cable for damage, reconnect the F-connector, and clean it of dirt and rust.ģ) Perform Speed Tests on Different Devices Older homes may have older coax cables that affect Internet speed. Lower grade coax cables, such as RG59, may only have a maximum speed of 300-400 mbps. Please note that not all modems allow access to the Configuration Manager.Ģ) Verify Coax Cable Compatibility with Proposed Internet Speedįor speeds over 500 mbps, your coax cable should be of the type RG6. In this case, please contact Comcast and schedule an appointment with a technician. ![]() If any of the channels do not fall within these recommended ranges, there may be an issue with your line. Upstream power (Pwr): between 35 and 51 dBmV.Downstream power (Pwr): between -10 and 10 dBmV.Ensure that each channel falls within these recommended values:Įxample of Upstream specs in Configuration Manager / Image: ![]() You should now be able to view two tables: Downstream and Upstream.
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