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Re: Two Driveway Patrols



"grabbitt" <sn@xxxxx> wrote in message
news:j4eUf.1226$KC3.555@xxxxxxxxxxxxxxxxxxxxxxxxx
> one of you is going to have to switch to a different brand with diff freq
>
> <rkrato@xxxxxxxxx> wrote in message
> news:1143041516.097003.300460@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
>> Looked at the FCC info for these devices and they use a crystal to set
>> the frequency @ 433.8 so it doesn't appear that there is any 'easy' way
>> to change the frequency.
>>
>> I'm trying to work with the neighbor to reduce the range of our
>> transmitters and receivers in the hope that we can get things tuned to
>> a point where we can only 'see' our own transmitters.  There are
>> antenna wires inside the transmitter and receiver ends that we are
>> trimming to try and reduce the range.  We are also working to shield
>> the receivers to try and filter out the neighbor's signals.
>>
>
>

Look at a real driveway alarm http://www.mierproducts.com/drivealert.htm
They have miltiple freqs. you can by online  here
http://alarmsuperstore.com/




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