I'm curious to know if are there restrictions on using license-free devices/bands for data, provided it doesn't exceed the bandwidth specifications for voice as it was originally intended. This would be in the US, FWIW. In other words, could one use a FRS or CB radio as a means of transmitting periodic telemetry packets (checking of course for a clear channel before sending)?

JB

At 01:07 PM 5/28/00 -0500, you wrote:
>Perhaps, today, one of the FRS (family radio service) 2-way
>transceivers would be a good choice instead of the "49 MHz
>Walkie Talkies": These are nominally 1/2 watt RF output units,
>employ Narrow Band FM emission and possess an integral
>antenna.
>