Are you using FSK or some other method of transmitting the data over the
audio? It could be the radio's audio bandwidth, or perhaps a
discriminator or something.

Josh
--
A common mistake that people make when trying to design something
completely foolproof is to underestimate the ingenuity of complete
fools.
        -Douglas Adams

Rafael Vidal Aroca wrote:
>
>     Hi guys, i'm working in a tracker project and strange things are
> happening. I tested it on a pair of Motorola's Talkabout and i get 100%
> of reception. All the packages i send i can receive.
>
>    But when i try it on a pair of Motorola's PRO5100 that are bigger
> radios, most of the signal did not arrive. I lost about 50% of the
> transmited packets.

--
http://www.piclist.com hint: The list server can filter out subtopics
(like ads or off topics) for you. See http://www.piclist.com/#topics