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SMA Connector
the simplest way is to put a bnc on the cable and use an adapter such as the one's offered by tessco.com
if you are trying to extend an antenna for lan connection, be advised that the connectors are reverse polarity ( as in the female connector has a male pin) tessco sells...
celphone dtmf
sounds like what you need is a simple dtmf decoder. schematic and info can be found at
**broken link removed**
yes a cell phone can generate dtmf and receive it as well.
john
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