For example, 80 – 35 = 45 is excellent SNR. Take the noise level and subtract the RSSI. Signal to Noise ratio – not shown but it’s easy to calculate.Or see if you can get your neighbors to change their channels to a channel at least 3 channels higher or lower than yours. If possible, have your wi-fi router changed to channel 36 or higher. Eliminating interference will help lower this number. –80 is a good noise level –40 may not be. We want less noise, so a lower negative number. Moving closer to the router should give you a stronger signal. –35 is a good signal strength while –75 would be poor. This is a negative number, so closer to zero is stronger. It’s OK to use a low-channel (below 36) once in a while but you shouldn’t have to rely on it every day. Newer wi-fi routers support multiple channels simultaneously, so your device could connect with one channel or another depending on signal strength. The channel is determined by the wi-fi router so you may need help changing it. These channels are prone to interference from other nearby wi-fi systems, microwave ovens and others. Channel – channels 1–11 use the older 2.4 GHz frequencies, which can travel farther but result in slower connections.Don’t use a neighbor’s or a public or Xfinity wi-fi channel – they may not be secure or provide access to printers, computers, iPhones & other devices on your own network. Be sure your own network is checked here. To check your wi-fi signal, hold the option key as you click the wi-fi menu in the upper-right corner. You’ll see information that can help diagnose any issues.
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