So we use a new Huawei router, and you can switch to either 2.4GHZ or 5GHZ Wi-Fi. But since this WLAN is most likely switched on 24 hours and 7 days a week, I wanted to ask you whether you can sleep well with 5Ghz WLAN? Or does it matter whether you choose 2.4Ghz or 5Ghz?
In principle it doesn't matter. If you're worried about sleeping, I'd turn off the router.
What should happen while sleeping?
How far is your cell phone from you when you sleep? That sends with higher power than WLAN. It's easy to forget… Well, the cell phone doesn't send constantly, but it's only quiet in airplane mode or switched off completely.
Wi-Fi 2.4GHz has max 50mW, 5GHz 100mW, cell phones up to 5000mW.
5GHz is more blocked by walls etc. Than 2.4GHz, so what is important to the sleeper is difficult to estimate.
Second.
By the way, 2.4GHz also penetrates the body a little deeper than 5GHz. Both but no cm or so.
That you might get frequent sleep disorders.
Router off does not mean that all connected devices are also off…
Yes, if you are worried about radiation, then you have to wrap all your equipment and yourself in aluminum foil…
Well, cell phone doesn't keep sending,
Essentially while making a call or using mobile data. The phone on the bedside table is rather quiet when it comes to cellular communications.
Wi-Fi 2.4GHz has max 50mW, 5GHz 100mW, cell phones up to 5000mW.
Where did you get the numbers from? 2.4 GHz transmits with a maximum of 100 mW, 5 GHz with 200 mW. There are also channels that are allowed to send up to 1 W, but this is not really used by home routers. The same limits apply to end devices as to WLAN routers / access points. When you say "cell phone" you don't mean the device, but cellular network? The battery would not last long at 5 watts. GSM typically transmits at 2 watts, G3 and G3 up to around 250 mW.
The radiated power decreases with the square of the distance. So as long as you don't sleep in the immediate vicinity of the router, the load is rather low. At double the frequency, the attenuation is four times as high. This means that 5 GHz has a shorter range than 2.4 GHz. That would be an argument for 5 GHz and not against it.
Ok, with transmission power or WLAN, I might have gotten too much of it…; -) You're right. As for the cell phone, I haven't written, it always sends at this level of performance. It is automatically regulated to what is necessary.
As for the cell phone, I haven't written, it always sends at this level of performance
But that is exactly what would be relevant. According to my information, the maximum peak transmission power is 2 W and not 5 W. Peak means: top, i.e. Not permanent.
Ok, I wasn't the best source of information in terms of max
https://www.elektronik-kompendium.de/sites/kom/0905051.htm
slightly below half is a table that shows the relationships well.
If the cell tower is "far enough", the transmission power is adapted, not just "peak" -wise. Regardless of this, you rarely hold your router directly to the brain (= ear), but it is not uncommon for the cell phone to be on the bedside table close to the sleeper.
So what should be decisive is not so much the pure transmission power, but also the distances and transmission times.
