Originally posted by: Minjin
I don't understand the whole signal strength thing. I buy that if my router is stronger, I could see a better signal at my client. But what does that matter if the client isn't equally as strong? Are we really assuming that the limitation is solely on the router side? That doesn't make sense to me.
1. The Router has to be stronger because it is built to serve many Clients. The Client interact only with One Router at the time.
The Client (especially Laptops) have issues with Power consumption and size that dictates limitations in construction.
If a Signal from the Router does not reach a client then it does Not matter what the Client strength is.
If the signal gets to the Client, but it is weak, then a stronger emitting client card with Hi dbi directional Antenna can help.
The main issue is that in an indoor settings many times the problem is No Signal or weak unstable signal, and then No client can deal with it.
2.4GHz gets Killed by many type of obstructions (absorbed in water molecules would be the main culprit) that are present in an indoor environment.
BTW in many Wireless Router the Radio Chipset is the same as the one that are used on PCI Wireless cards. I.e. a "Puny" 30mW Transmitter.
The Buffalo HP takes only 10mW (which would be very clean signal) out of the Radio, feeds it into a Power Amp., and 5 dbi Antenna.
Most draft_N router use also a similar "Puny" 30mW Radio. The main difference (Wireless wise) from the 802.11g is the concoction of alternate feeding to a triple Antenna (Aka Mimo), the Antennae are very cheap (otherwise three Good Antennae would make the Routers even more expensive).
The N arrangement if designed and constructed well should yield a little better then 802.11g. In the truth it is a small step from 802.11g and not withstanding the marketing Hype that is built around it.
The elaborate Antenna structure makes it a problem to build good Wireless clients, and additional Networking Devices.
At the end, N main advandege would be providing more adequate bandwidth for Short Range Video Streaming, and hopefully something better would come along in the future.