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| Thread ID: 76709 | 2007-02-13 06:10:00 | Cantenna building instructions | Greven (91) | Press F1 |
| Post ID | Timestamp | Content | User | ||
| 524428 | 2007-02-13 10:26:00 | My first was one like seen on the turnpoint site, worked very well, but rusted out side. DSE has the bits you need, just make sure you get the correct plug for your access point, linksys uses reverse TNC. N-connector for the can, get the plug that fits to the end connector. Cable, I used sky coaxial. If you go to a scrap metal yard they may have the copper wire you need, I got mine for free. The trick is to have the access point as close to the antenna as possible, to avoid signal loss over the coaxial cable. You may need to run an extension cord, or give POE(power over ethernet) a go. |
Rob99 (151) | ||
| 524429 | 2007-02-14 04:38:00 | It's easy to build an antenna. It's easiest to build one which will be less efficient than a commercially made one. :D If you can reliably work to within a tenth of a mm, go ahead. If you are good at fitting RF connectors, go ahead. N type connectors are expensive; SMA (R) are more commonly used for WiFi I would have throught. I'd try a simple reflector first. That uses an existing antenna, which will work. Stan Swan did some experiments in Wellington a few years ago and wrote them up for Silicon Chip magazine. "stan swan wifi" to Google (google.co.nz) will give lots of links. |
Graham L (2) | ||
| 524430 | 2007-02-14 05:49:00 | It's easy to build an antenna. It's easiest to build one which will be less efficient than a commercially made one. :D If you can reliably work to within a tenth of a mm, go ahead. If you are good at fitting RF connectors, go ahead. N type connectors are expensive; SMA (R) are more commonly used for WiFi I would have throught. I'd try a simple reflector first. That uses an existing antenna, which will work. Stan Swan did some experiments in Wellington a few years ago and wrote them up for Silicon Chip magazine. "stan swan wifi" to Google (google.co.nz) will give lots of links. The aerial is just to get a reliable signal through a couple of walls in her house. Would the USB wok be the best (or easiest) option? She has a USB adaptor in the computer closest to the router & a PCI wifi card in the other one. |
Greven (91) | ||
| 524431 | 2007-02-14 23:15:00 | I think it's easiest and cheapest (and most likely to be successful) to try a reflector before anything else. If both computers are on the same side of the router, a simple sheet of cardboard covered with aluminium foil "behind" the router antenna(e) will double the field strength in "front" of it. The curious ways that very high frequencies propagate in non-freespace environments might even let this work even if they are on opposite sides of the router. Try different orientations. Stan's wire strainer paraboloc reflectors worked across the Wellington harbour; you don't need anything like that amount of signal strength enhancement. |
Graham L (2) | ||
| 524432 | 2007-02-14 23:25:00 | What is the access point, you can do a boost with a firmware update on certain models. | Rob99 (151) | ||
| 524433 | 2007-02-15 05:35:00 | It is a belkin router - she got the belkin wireless starter kit with a wireless router & USB wifi adaptor. The computers are on opposite sides of the router. | Greven (91) | ||
| 524434 | 2007-02-18 01:37:00 | If the router has two antennae,you could try a reflector placed between them. :D That would give two beams ... each a bit stronger than the omni radiation normally produced. If there'sonly one antenna (or anyway) I'd try a reflector, and experiment to find the orientation which gives the best results.This direction is unlikely to be exactly towards either of the computers. ;) | Graham L (2) | ||
| 524435 | 2007-02-18 01:50:00 | After using the wireless for a while with both computers in the same room as the wireless router, she has decided it isn't fast enough. Not a big loss though - wireless routers aren't much more expensive than ones without wireless & now she has a USB wifi adaptor that visitors can plug into their laptops & get on the network without much messing around. I expected 802.11g to provide more than enough speed to stream videos (movies & music videos) to the computer by the TV, but they lag when going through the wireless & they don't lag when going though the cat5. |
Greven (91) | ||
| 524436 | 2007-02-18 03:48:00 | "Allthread" is lengths of threaded rod, available from any Mitre 10, Bunnings etc. It is exactly what it says, a rod of "all thread". Not sure how you could misinterpret the name really. Its not a bolt, its long lengths of threaded plated steel in various diameters, you buy the nuts and washers to suit. Not expensive either. I use it when I cannot get the right lentgth of bolt, just cut it to suit and put a nut and washer at each end. |
godfather (25) | ||
| 524437 | 2007-02-19 04:08:00 | I've always known that product as "screwed rod", because that's what it is. Great for making U-bolts. :cool: "Allthread" looks as if it might be a tradename. | Graham L (2) | ||
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