Computers & Electronics

Is wireless G really 54 Mbps?

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  • Mar 19th, 2010 3:37 pm
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Jan 4, 2010
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Toronto

Is wireless G really 54 Mbps?

54 Mbps / 8 = 6.75 MBps, which is kinda slow if I want to transfer an 8 GB 1080p movie across a network. Is 54 Mpbs reality or theoretical (which means it will be even slower)? How about wireless N?
enon
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Oct 13, 2002
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The answer is no.

Expect ~ 15-20Mbps tops ...
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Jan 14, 2004
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Markham
The theoretical max transfer speed, yes it's 54 Mbps, but with the overhead in the packets, interference, retransmissions and the like, it's going to be much lower than it.

I think N has a max of 300 Mbps if dual band, but of course, similar issues.

A wired connection is always better if possible.
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Great article.

Now the question is: should I buy a 54 Mbps Wireless G adapter ($12) or spend an extra $4 for a 150 Mbps Wireless N adapter ($16)? Is the higher price worth it?
enon
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Nov 25, 2007
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enon wrote: Now the question is: should I buy a 54 Mbps Wireless G adapter ($12) or spend an extra $4 for a 150 Mbps Wireless N adapter ($16)? Is the higher price worth it?
Neither. Get a dedicated G or N router and run bridge mode instead. It costs more but you get faster connecting time (since the connection is always up), stronger and more stable signals.
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Oct 13, 2008
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Calgary
torseller07 wrote: Neither. Get a dedicated G or N router and run bridge mode instead. It costs more but you get faster connecting time (since the connection is always up), stronger and more stable signals.
Or string RJ-45. On my dir-655, with the Wireless N NIC across the room at 15 feet, my real time data throughput peaked at 78Mbps on multiple testing using iperf. With the cat5e, it was 742Mbps. (gig port) on a shorter run, it was 940Mbps.

G topped out at 27Mbps.
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torseller07 wrote: Neither. Get a dedicated G or N router and run bridge mode instead. It costs more but you get faster connecting time (since the connection is always up), stronger and more stable signals.
Can you go into more details?

I current have my DSL modem and my wireless G router connected. I am currently use the ethernet cable to connect to the router and I need to get a USB adapter because I don't want to run the cable upstairs anymore.
enon

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