Relay-Version: version B 2.10 5/3/83; site utzoo.UUCP
Posting-Version: version B 2.10.1 6/24/83; site sdcsvax.UUCP
Path: utzoo!linus!security!genrad!grkermit!masscomp!clyde!floyd!harpo!seismo!hao!hplabs!sdcrdcf!sdcsvax!pourn
From: pourn@sdcsvax.UUCP
Newsgroups: net.micro
Subject: Re: Info on Modem Dial-up Problems Requested
Message-ID: <430@sdcsvax.UUCP>
Date: Tue, 24-Jan-84 23:01:24 EST
Article-I.D.: sdcsvax.430
Posted: Tue Jan 24 23:01:24 1984
Date-Received: Fri, 27-Jan-84 12:33:22 EST
References: <141@hou2g.UUCP>, <536@eosp1.UUCP>
Organization: EECS Dept., U.C. San Diego
Lines: 3

Try the USRobotics 1-card modem.  It's 1200/300/etc.
and has options for on-board RAM, clock, &c.