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Highly recommended if you don't want to shell out money on a new wireless-N router and PC card(s).Note this is wireless-G only (the most common wifi). Almost as good a signal on my wifi single antenna based HP desktop. External antenna makes a difference on the Linksys WRT54GC router just like an external antenna on a cell phone. Noticeable increase in signal strength around the house,especially on an Acer laptop,which already has the best antenna design of any laptop out there.
I think it would work even better if we had bought the cable and antenna stand to relocate it all to a better place (eg, off the floor and behind the tower). That's an improvement from the 14 to 28 MBS we had before the antenna. That by itself might have worked as well as replacing the antenna. The antenna helped a bit with my son's PC that was distant from the router. Receive speed now varies from 28 to 54 MBS and does not drop out as much.
That is pretty good for going 75 and feet through 5 walls. After installing the Linksys High Gain Antenna for SMA Connectors on my HP m8120n computer, I get fair signal level and 24Mb transfer rate. At home I placed this HGA7S antenna on my Linksys Wireless-G Broadband WRTP54G router and now both wireless computers get excellent signal level, and a steady 54Mb transfer rate, on both floors of my home.I also installed a HGA7S antenna on my HP m8120 computer at church. With the supplied antenna from HP I got poor signal level, and a 2Mb transfer rate.
The signal has not improved, a waste of money. I find this unit to be of no advantage what ever.
So its been a worthwhile investment. But its effectively doubled the range of the router, and I now get a good signal in the kitchen 2 rooms away which I didn't before and I do get a weak signal enough to work with, in an upstairs bedroom at the other end of the house. Only thing is, it should have been priced at around $30 or less; the current price isn't exactly fair. I've screwed this device on to my compact Linksys router, a WRT54GC model. The antenna is huge, about 11" tall, and it dwarfs the little compact router.
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