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RE 2.4 what is this

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Ernie30/11/2008 16:57:00
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2515 forum posts
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Hi radio guys, I found this on the www, what is it?   this

ernie

Tim Mackey30/11/2008 18:37:00
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Err its a low power 2.4Ghz chip Ernie!

No good for our use as its only 1mW and we use 100mW ( 200 in the USA )

Eric Bray30/11/2008 19:19:00
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It's the sort of thing you find in radio keyfobs or wifi units. The quoted range is under ideal conditions, in reality about thirty feet would be good, at one milliwatt!
Ernie01/12/2008 09:33:00
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Thanks guys

ernie

Peter Hawtin08/12/2008 12:38:00
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XBEE also called Zig Bee is a posible replacment for blue tooth. It is covered under the IEEE 802.15.4 regulations for low power radio devices.

ZigBee devices are required to conform to the IEEE 802.15.4-2003 Low-Rate Wireless Personal Area Network (WPAN) standard.  This standard specifies operation in the unlicensed 2.4 GHz, 915 Mhz and 868 MHz ISM Bands. In the 2.4 Ghz band there are 16 ZigBee channels, with each channel requiring 5 MHz of bandwidth.

The group that is developing it want it to replace bluetooth as when using 2.4Ghz it has a much higher bandwidth and range.

Peter

Ernie08/12/2008 13:34:00
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Wow Peter, thanks

ernie

Doug Ireland08/12/2008 20:28:00
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Very impressive Peter, where do you get your info from?
Peter Hawtin09/12/2008 10:49:00
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I am a member of the standards comittee

 Peter

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