Quote:
Originally Posted by FrustratedReader
They are really special radio transmitters helped by the home wiring which acts as an aerial. All cause interference to Shortwave radio. Newer faster ones interfere with FM radio and even Air band.
They work badly if there is SMPSU / Charger / CFL / LED psu interference. They are mostly using the mains for power.
The makers get them to pass FCC / CE /CSA by a cheat, either only plugging one in, or not sending data, or too short mains cable. Actual ethernet cable is really cheap and can run at a genuine 1000Mbps. WiFi speed depends on distance, equipment, number of users etc.
Actual home network speed is unrelated to the Internet connection speed (via Broadband, Mobile/cell or Satellite terminal).
I used to be an RF design engineer at an Internet Service Supplier. That's why I know.
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I've used these for years with no problems (touch wood). The only ones I had problems with were a pair of Devolo ones which kept losing the signal. I've had my current ones for about ten years with very few issues. On rare occasions the ethernet cable has become loose; easily fixed.
I listen to the radio only via computer. I prefer to listen to podcasts so I'm not tied down to particular times. Same for television, though I prefered it when I didn't need a license for this. So I've no idea how this affects radio waves.
I don't really see the point of your statement, except to say that they're expensive. They're cheaper now than they were when I bought them. They used to be around £70-£80. It should be a one time expense, unless you buy a particularly dud pair, in which case you can return them.
Written not from a scientific point of view, but that of someone who has actually used these for a very long time.
Wifi always gave me a headache on both sides of my head, right at the point where the laptop antennae (sp?) are. So I keep my laptop's wifi signal finder turned off.
I now live in a quiet, leafy, residential area of mostly elderly people and a few families which is not bombarded by signals, unlike the studentified locale in which I previously lived. (I learned about the wifi sensitivity by pinching unsecured wifi for a short time before I had cable installed.)
The OP doesn't seem to be a techno wizard, so can I respectfully suggest keeping the science bit to a minimum. It goes over our heads.