At 09:43 AM 07/27/2001 -0400, David Douthitt wrote
>Mike Sensney wrote:
>>
>> At 05:08 PM 07/26/2001 -0400, David Douthitt wrote
>> > As a ham operator myself, I've a question for you wireless wizards.
>> > I've heard that newer cell phones operate somewhere in 2GHz, and now you
>> > mention this.
>>
>> The unlicensed 2.4 GHz band is also referred to as the IMS band, or
>> Industry, Medical and Services band. There is currently a lot of gear
>> competing for relatively little bandwidth. Besides the wireless phones and
>> wireless NICs, you have medical monitors, baby monitors, remote control
>> toys, bluetooth, spy gadgets and of corse microwave ovens.
>
>I thought baby monitors were at 40-50 Khz. I didn't realize that the 2
>GHz band was so widely used (will have to see what ours are at).
There is at least one baby monitor that transmits video as well as sound.
Saw it when my niece was born. Then there is also a "spy" camera at
http://www.x10.com/products/x10_vk69a.htm.
>Also, you said it is "unlicensed." It is, apparently, set aside for
>these purposes only; unallocated spectrum is available to amateur radio
>operators.
Unlicensed as in I, as a user, can go buy 2.4 MHz gear without having to
apply for an FCC license. But the manufacturer still has to apply for and
get licenses for the various radios they produce.
>In the GHz range, amateurs can operate (in all modes, all licenses
>except Novice) at 10.0-10.5 GHz; 24.0-24.25 GHz; 47.0-47.2 GHz;
>75.5-81.0 GHz; 119.98-120.02 GHz; 142-149 GHz; 241-250 GHz; anything
>above 300 GHz. See what I mean about frying your brain? :-)
>
>Don't stand too close to that antenna :-)
Too late...I'm melting...
