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Review: Powerline networking - can it deliver?

by Michael Harries on 6 August 2008, 05:20

Tags: ZyXEL

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Conclusion

The Corinex GameNet, which is essentially a bundle of two AV200 devices, worked as intended - facilitating a smooth online gaming experience with the simplicity of plug-and-play. Multimedia functionality such as 1080p video-streaming is possible, but only when the devices are located closely together.

Performance for file transfers isn't great, running into issues when the devices are at a distance but, considering this is somewhat outside the GameNet's intended use, it's hard to really criticise Corinex.

If you want a simple way to connect your games console to your home network, without routing Ethernet cables throughout your house, the GameNet certainly works. At £70, it's expensive, but does provide clutter-free performance and tremendous ease of use.

Much of the above can also be applied to the ZyXEL PLA401. It allows you to setup a simple network over powerline with adequate performance for online gaming, web-browsing and small-file transfers. Paired with the P660HWP, it offers better performance than the Corinex, although when compared to a wired Ethernet connection, which most people have, performance is far lower.

ZyXEL's P660HWP ADSL routers support of Ethernet, Wi-Fi and powerline makes a lot of sense. None of the three connection options are ideal; Ethernet lacks portability; Wi-Fi suffers from variable performance and connectivity; and HomePlug is a compromise between the two, offering some portability within the home without the risk of dropped connection, but performance for more demanding tasks is only there at close proximities. Having all three connection types on the router allows you to mix and match as needed.

Ethernet-over-powerline in either its UPA or HomePlug forms clearly doesn't supplant either Ethernet or Wi-Fi, but, rather, complements them, filling a niche where you need a degree of portability and ease of use, but where the performance or, more likely, he reception of Wi-Fi, even draft-n, may not suffice. 

For Joe Average who needs to connect to the Internet, or for online gaming via either a console or PC, Ethernet-over-powerline seems a worthy consideration. Our reviewed products all have faults, of course, with the primary one being a lack of speed at distance, but they fill a need at a reasonable cost.

HEXUS.certification



Essentials_Hexus_Labs

Corinex GameNet
ZyXEL P660HWP
ZyXEL PLA401

HEXUS Where2Buy

The Corinex GameNet is available for £71.63 from Import Market.
The ZyXEL P660HWP is available for £89.89 from Scan.
The ZyXEL PLA401 is available for £52.86 from Scan. or £93.27 for a twin pack.

HEXUS Right2Reply

At HEXUS.net, we invite the companies whose products we test to comment on our articles. If representatives of either Corinex or ZyXEL choose to respond, we'll publish their commentary here verbatim.


HEXUS Forums :: 16 Comments

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Why on earth did you not test this against a wireless connection? Surely the whole idea of ethernet over power lines is to make it easy to connect hardware in your office/home/wherever without installing gigabit ethernet cabling everywhere, making it much more of a competitor to wireless than for real ethernet.

What was the point of comparing it to gigabit ethernet? It was never going to begin to compare?
I agree with Aminal, Powerline is more of a replacement for wireless than wired. Most people won't entertain wired, leaving only wireless vs powerline.

I would also have liked a 720p video playing over the Powerline system, as thats what the majority of peoples HDTVs ouput at.
Or at least 100Mbit rather than Gigabit - the 200Mbps even if it is achievable over a power line (which it almost certainly isn't) is going to be throttled back to 100Mbps as that's what the RJ45 port allows for.

Of course YMMV, but these devices didn't work for me at all on my home wiring.
The thing that bugs me about the powerline technologies is that it doesn't necessarily do you many favours if you have to sacrifice a power socket to plug them in. I know a lot work over multi-socket adapters, but the manufacturers frequently say that that isn't supported (understandably, I guess). These devices'd make much more sense to me if they featured mains pass-through, i.e. plug them into a wall socket and then plug other stuff into a passthrough socket on the device. After a quick shufti on Amazon, something like THIS.
One thing you didn't mention is power consumption. I have a pair of Zyxels (slightly different model with a plug-and-cable going to a separate box, rather than a box that plugs straight into the socket) and they get stupidly hot - enough to be uncomfortable to touch. If you leave these things plugged in all day long I shudder to think how much power they're burning even when nothing is being transferred.

It's not just Zyxels either, I had some other-brand 14Mbps ones a couple of years ago and they were just as hot.