Hi,
I need to transmit a digital signal over a distance of about 150ft.  I did some research on google and  I am thinking of transmitting the signal over RS485 twisted pair standard.  The signal will be digitized audio done by a PIC.  Supposing audio ranges from 20Hz to 4KHz, and sampling at 8KHz, RS485 should be able to handle the bandwidth easily.

My questions, first, is there anything fundamentally wrong with this approach?  Second, will RS485 work reliably without loss of data over 150ft of twisted pair?
 
Thanks.



-Hasan Khan


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