Archived posting to the Leica Users Group, 2006/12/13
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]Montie, That's great. Keep it simple. That always works. Cheers, Len On Dec 13, 2006, at 11:15 AM, Montie wrote: > Only going to be one computer and prob a laptop due to > roll top desk space limitations so looks like I don't have > to worry about Wi-Fi at this time! Thanks Leonard > Montie > >> Lets make things a little simpler. >> >> 1. If you have only 1 computer and a cable or DSL modem you don't >> need a router. Just connect your computer to the modem via ethernet >> cable. >> >> 2. If you have more than 1 computer at nearly the same location you >> will need a router to connect to both computers. The router then >> connects to the modem, all via ethernet cable. >> >> 3. If you have more than 1 computer located in other rooms or on a >> different floor, the preferred interface would be to go wireless and >> create a local area network. This consists of a router that connects >> to the modem via ethernet cable and to the various computers via >> wireless 802.11G (or older B) wireless cards. >> >> In my home I have 2 Apple computers, 1 Windows computer and a laptop >> connected wireless to my cable modem. When my son visits he has >> 802.11G built into his powerbook. As soon as he turns it on he's >> connected to my network. >> >> 4. Bluetooth is a short distance protocol used to connect accessories >> to larger devices. The wireless headset connects to my cell phone via >> Bluetooth. My wireless mouse and keyboard connect to my iMac via >> Bluetooth. >> >> Len Taupier >> RF Design Manager >> Motorola Inc. >> >> >> (now retired) >> >> >> On Dec 12, 2006, at 7:59 PM, Lawrence Zeitlin wrote: >> >>> >>> On Dec 12, 2006, at 6:37 PM, Monte wrote: >>> >>>> I get Bluetooth, but >>>> what the hell is Wi-Fi 802.11g?? Thanks again for the help! >>> >>> >>> Wi-Fi is the generic name for the RF link between computers and a >>> local area network (WLAN) router. Enough of the gobbledegook here. >>> Your cable or DSL wideband iink to the internet terminates in a >>> modem which separates the internet signal from the TV and/or phone >>> signals. The modem, in turn, is attached to a router which usually >>> offers both wired and wireless connection to the computer(s) at >>> that location. The RF signal is at 2.4Gz, a band set aside by the >>> FCC for a variety of uses including communication and >>> (unfortunately) microwave ovens. The IEEE designation for one form >>> of communication in this band is 802.11. There are several flavors >>> and speeds of devices operating under the 802.11 designation. The >>> oldest and most common is 802.11b. This has a maximum throughput of >>> about 11Mb/second but is usually slower. It is the kind implemented >>> in first generation Wi-Fi systems including Apple's original >>> Airport. It tends to have a relatively long range, up to 300 ft. >>> without an external antenna. 802.11g is a faster implementation in >>> the same band. It can speed up to 54Mb/sec. Newer computers are >>> equipped with 802.11g cards. Apple's Airport Extreme is of this >>> type. Both systems degrade gradually by slowing down if the range >>> is too great or the signal is poor. The earlier system is >>> compatible with the later system but only at the 11Mb speed. >>> Because every 802.11 system can operate at the slower speed, that >>> is the one used in Starbucks and most public places. Wi-Fi is still >>> in development but the two described are the most used. >>> >>> Bluetooth is a very low power short range system (about 30 ft.) >>> which is intended to connect devices to a local computer without >>> using a wire. >>> >>> If you are connected to the internet by a wideband link, the >>> fastest way to get signals to your computer is by a wire directly >>> to the modem or router. Ethernet cables can handle over 100Mb/sec. >>> And they are extremely cheap and reliable. Most modern computers, >>> including all Apples, come with a built in ethernet capability. Wi- >>> Fi is mostly for portability and convenience. >>> >>> Larry Z >>> >>> _______________________________________________ >>> Leica Users Group. >>> See http://leica-users.org/mailman/listinfo/lug for more information >> >> >> _______________________________________________ >> Leica Users Group. >> See http://leica-users.org/mailman/listinfo/lug for more information > > _______________________________________________ > Leica Users Group. > See http://leica-users.org/mailman/listinfo/lug for more information