The company I work for makes very nice 900 MHz spread-spectrum transmitters
and transceivers with a 1 mile range which can be controlled via a serial
link.  They send data using 16- or 32-bit CRC's, and can be programmed to
repeat each transmission.

Contact:
Steve Fant
Axonn Corporation
101 W. Robert E. Lee Blvd. Suite 202
New Orleans, La. 70124
www.axonn.com
stevef@axonn.com

> -----Original Message-----
> From: Tony Nixon [SMTP:Tony.Nixon@ENG.MONASH.EDU.AU]
> Sent: Tuesday, October 26, 1999 6:42 PM
> To:   PICLIST@MITVMA.MIT.EDU
> Subject:      Rx/Tx
>
> Does anyone know of a device that can be controlled by a PIC to
> send/receive serial data over a radio link with a line of sight range of
> about 3KM max? Data integrity is very important.
>
> --
> Best regards
>
> Tony
>
> http://www.picnpoke.com
> Email sales@picnpoke.com