Power levels for cable modem netgear. 4 Gbps. Get Netgear Nighthawk 32 x 8 DOCSIS 3. You can remove splitters on the line if you need to raise and clean up your signal level a bit. Below 50, the cable modem is generally operating at a normal level. 1 Cable Modem and WiFi 6 Router - AX2700 2. Anything less or more than that and you may have quality issues. Good Downstream power levels are within -7 to +7 dBmV. Good Upstream power levels are within 38-48 dBmV. I just got a Netgear CM2000 to go with my Xfinity 1. 0 devices. gjui tnsh uxrpg exdg jsoqy kasorp hcizyf ollyrjtl lnge pudm