Hi Richard,
I just recently purchased the TMV71A and it is great.  The TMD710 will 
probably a built in TNC, which might be helpful for Packet or APRS.  It 
would depend on what you want to spend.  The TMV71A can run between $250 to 
$375 and the TMD710D will run about $450 to $475 with the speech chip.  I 
can't answer the question about application about the speech chip.  If they 
are the same, you have a speech chip and a digital recorder together.  Maybe 
others can answer this or Ham Radio Outlet or AES might be able to answer 
this.  Gary KB2YAA----- Original Message ----- 
From: "Richard Fiorello" <[log in to unmask]>
To: <[log in to unmask]>
Sent: Sunday, February 15, 2009 5:43 PM
Subject: tmv71a


> Hi;
> I haven't been radio shopping and I'm wondering how the tmv71a and =
> tmv710 differ?  Do they both use the vgs1?
> Richard


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