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3
Posted on 5/27/14 at 12:47 pm to bamabenny
quote:
up to
Router could be going bad..? Unknown interference..?
Posted on 5/27/14 at 12:50 pm to bamabenny
quote:
My router is a wireless N and my laptop has a wireless N card. Both should support up to 300 mb/s wirelessly. That's what's confusing me.
As already mentioned, the top speeds listed are theoretical. If you get more than half that speed under perfect conditions, you're doing pretty good.
Does the device have line-of-sight to the router? If not, you can cut that speed in half again.
Is the device within 25 feet? If not, you can cut the speed in half yet again, and cut it in half for each additional 20-25 feet.
These are all rough estimates, but should give you an idea of what to expect. If that wireless-n device is in a different room and more than 25 feet away from the router, I wouldn't expect anything over what you're getting (30-35mbps range).
Posted on 5/28/14 at 1:04 am to bamabenny
quote:
My router is a wireless N and my laptop has a wireless N card. Both should support up to 300 mb/s wirelessly. That's what's confusing me.
Wireless n is capable of achieving speeds of up to 450 Mbps but only when using three antennas and doubling the channel width to 40 MHz. Typical laptops only operate on the 2.4 GHz band which limits bandwidth to 20 MHz and they have only a single antenna. Max speed in this case is 72 Mbps, not much more than 802.11g.
A dual band system also operates on the 5 GHz band which allows you to increase channel width to 40 MHz. Each antenna supports speeds up to 150 Mbps so with three antennas you can reach 450 Mbps.
Remember that both your router and the network adapters on all of your devices have to have matching capabilities. A typical high-end 802.11n router will run you about a hundred bucks and an external USB three-antenna dual-band wireless adapter around fifty bucks.
The emerging standard is 802.11ac which offers substantially higher speeds but at this time is very pricey, more than double the cost of the 802.11n setup. Also, from the reviews I've read, only a handful of them really deliver the speed. The rest were very poor performers with some not even achieving 802.11n speeds.
This post was edited on 5/28/14 at 8:34 am
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