Most of the legal 433.92 MHz devices operate as periodic emitters. Under the
rules, these can operate on most frequencies above 70 MHz.
The RFID/Savi Technologies petition with the FCC seeks to expand the
periodic radiator rules to permit near-continous duty cycles on 425-435 MHz.
See:
http://www.arrl.org/htdig/?method=and&words=savi
73,
Ed Hare, W1RFI
ARRL Lab
225 Main St
Newington, CT 06111
Tel: 860-594-0318
Internet: w1rfi@arrl.org
Web: http://www.arrl.org/tis
ARRL is the National Association for Amateur Radio. It is supported by
membership dues, individual contributions and the sale of publications and
advertising. For more information about ARRL, go to
http://www.arrl.org/news/features/inside-your-league.html. For more
information about membership, go to http://www.arrl.org/join.html. Your
contribution can also help support ARRL's ongoing efforts to protect Amateur
spectrum. Go to https://www.arrl.org/forms/development/donations/basic/ to
learn more about the ways you can support the ARRL programs and activities
of most importance to you. You can help ARRL protect Amateur Radio for you
and future generations to enjoy.
> -----Original Message-----
> From: Cortland Richmond [mailto:ka5s@earthlink.net]
> Sent: Tuesday, April 02, 2002 12:49 PM
> To: rfi
> Subject: [RFI] 433.92 device tolerance
>
>
>
> At http://www.rfm.com/products/freq.htm, the 433.92 MHz
> resonators have 75
> KHz tolerance.
> This is not just a spot frequency concern.
>
> Cortland
>
>
> --- Cortland Richmond
> --- ka5s@earthlink.net
> --- EarthLink: The #1 provider of the Real Internet.
>
>
>
> _______________________________________________
> RFI mailing list
> RFI@contesting.com
> http://lists.contesting.com/mailman/listinfo/rfi
>
|