Fwd: Acoustic modems?

From: Mike Ford <mikeford_at_socal.rr.com>
Date: Thu Oct 14 15:18:04 1999

>At 03:30 PM 10/13/99 -0700, Roger Sinasohn wrote:
>>Please respond to Tim directly at <astrl3_at_uaa.alaska.edu> if you can help...
>>
>>>Date: Mon, 11 Oct 1999 23:18:45 -0800
>>>From: Tim Long <astrl3_at_UAA.ALASKA.EDU>
>>>Subject: Acoustic modems?
>>>
>>>Hi! I am interested in purchasing an acoustic modem, but I have not been
>>>able to find one anywhere. First, are there any acoustic modems that are
>>>compatible with modern IBM-clone PCs?
>
>Certainly the use of a coupler limits the bandwidth of the signal
>that can be reliably exchanged. It worked in the days of two-tone
>300 baud, but I don't think it would stand a chance at 4800, 9600
>or above.
>
>- John

Acoustic couplers, not the earlier ones, but later units made for $$$ and
people who did a lot of "remote" travel worked up to about 4800.
Essentially we are really just talking about a certain level of "fidelity"
between your hardware and the telco hardware.

The real question is WHAT does the person hope to accomplish.
Received on Thu Oct 14 1999 - 15:18:04 BST