Dynamic Dns Service

Wi-Fi magic

The battle between the Consumer Electronics Association, the NAB, the FCC and Congress appears to be in a relative frenzy and due to climax sometime soon. It now appears compromise in the debt ceiling legislation will make the incentive TV spectrum auction legislation voluntary. It's not a done deal yet, it was a long week and next week promises to be longer for all involved. In case you missed it, the NAB put up a website in response to the CEA website discussed in the last "Transition to Digital." The NAB website is at www.thefutureoftv.org . Game on.

This tutorial will examine some uses of RF spectrum in the so-called 2.5GHz and 5GHz bands. The 802.11 Wi-Fi concept began with a 1985 FCC ruling that released the industrial, scientific and medical (ISM) radio bands for unlicensed use. The ISM bands were originally reserved internationally for industrial, scientific and medical RF applications other than communications such as microwave ovens.

Licensed radio amateurs can operate 802.11b/g devices under Part 97 of the FCC Rules and Regulations at much higher power levels. Because 802.11b uses direct sequence spread spectrum, hams radio operators can only boost the power to 10W. But the OFDM modulation used by 801.11a and 801.11g isn't classified as spread spectrum, so hams are allowed a peak output up to a searing 1500W. It's ham radio, so it can't contain commercial content or encryption, but it does offer some interesting potential to experimenters. Among hams, the 2400-2450MHz band is known as the "Hinternet." If you're having strange interference problem on channels one through six on your Wi-Fi router, it's not likely, but a local ham just might be your problem.

Wi-Fi is starting to compete with duct tape for the greatest number of divergent uses around a television facility and remote locations. Today's industry climate requires modern television facilities to be Wi-Fi friendly. It isn't unusual to find cellular base stations, access points and bridges providing wall-to-wall Wi-Fi coverage across a TV station's IP infrastructure. Everyone likes the mobility of laptops, tablets and iPads on a Wi-Fi network. Not everyone is aware of some other useful stand-alone gadgets that integrate real-time operating systems with built-in Wi-Fi communications to provide a simple way for a portable serial device to wirelessly reside on a network. A Wi-Fi webcam is a good example.

One of the handiest stand-alone Wi-Fi webcam devices is the Wi-Fi security camera. There are several manufacturers offering a number of Wi-Fi security-style cameras. What all these cameras have in common is the ability to log onto a Wi-Fi system and act as a stand-alone streaming video server. Typically, they are addressable as a local 192.xxx network device in a Web browser, and easily accessed on the Internet or by Web-enabled smart phone.

windows - What is a good dynamic DNS (DDNS) service for home use ...

I'll preface this by saying that I'm biased since I actually run a dynamic DNS service (for the last decade).

Essentially any service that has been around for more than a couple of years and has servers at more than one location should do the trick for a home user. The basic hostname service at any provider will be about the same. What it really comes down to is support. DynDNS.com has excellent support for less technologically advanced users, and as others have mentioned, has seen widespread support from the hardware vendors in their devices as well. My service, for example, is geared more toward advanced users who know what they want without too much fluff to get in the way. Some services will also handle e-mail forwarding for you if you need it (mine does not).

There is an excellent list of DNS services at Technopagan . This list has been around for years and has been kept fairly updated with great information.

RT @: Anyone recommend a dynamic DNS service? Must be free, reliable, and simple to use. check out:

Anyone recommend a dynamic DNS service? Must be free, reliable, and simple to use.

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