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Old September 10th 12, 09:54 AM posted to rec.radio.amateur.antenna
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Default 315mhz/433mhz transmitter
On Thursday, July 19, 2012 4:20:02 PM UTC-7, foxbrain wrote:
hi

i'm just new to this field and i need some help on it and i appreciate

any help...

my aim is to make a 315 or 433 transmitter and receiver so what ics is

the best for that and where can i buy them and so for the antennas(but i

would like to build them)...

wrote:

You have no business on either of those frequencies.

Depends upon where you are.

433mhz is a SHARED ham band throughout the world.

In ITU zone 1 and possibly elsewhere, there is a small allocation
of 433mHz for unlicensed devices.

There also is one at 315mHz, but that may be a different part of the world.

It is used for wireless doorbells, security systems, etc. Basicly low power
unlicensed telemetry.

If you look on eBay, you will find hundreds of the devices. A quick web search
shows the 433 mHz units sold in the US.

Geoff.



--
Geoffrey S. Mendelson, N3OWJ/4X1GM/KBUH7245/KBUW5379



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