The G designates the firmware update. I am pretty sure that the G 
model was the last update.

In order to get it updated, it had to go back to the service center.
----- Original Message ----- 
From: "Buddy Brannan" <[log in to unmask]>
To: <[log in to unmask]>
Sent: Wednesday, June 06, 2012 6:02 PM
Subject: Re: Kenwood TS-570DG for sale


Hi,

No. The G, I believe, denotes something else, like perhaps the DSP? Or 
=
something. I forget. But the 570DG didn't have 6 meters, while the 
570SG =
did.
--
Buddy Brannan, KB5ELV - Erie, PA
Phone: (814) 860-3194 or 888-75-BUDDY



On Jun 6, 2012, at 5:30 PM, Gary Tillinghast <[log in to unmask]> 
=
wrote:

> Hi Howard,  Was it my understanding that the designation of "G" =
indicated=20
> that 6m was added?  Gary KB2YAA
> ----- Original Message -----=20
> From: "Howard, W A 9 Y B W" <[log in to unmask]>
> To: <[log in to unmask]>
> Sent: Wednesday, June 06, 2012 12:45 PM
> Subject: Kenwood TS-570DG for sale
>=20
>=20
> I will post this here first.
>=20
> I have a Kenwood TS-570DG for sale.
>=20
> This does not have 6 meters.
>=20
> The optional SSB and CW filters and the voice synthesizer are 
> included =
=3D
> and installed.
>=20
> This radio was purchased brand new about 7 years ago, however 
> remained =
=3D
> in the box until I put up antennas last October 2011 and put it on 
> the =
=3D
> air.
>=20
> This radio has probably less than 100 hours use on it and it is in =
mint =3D
> condition.
>=20
> This radio will include the power cable, standard hand microphone, 
> =3D
> manual and above mentioned installed accessories.  All will be 
> shipped =
=3D
> in original shipping carton.
>=20
> I am asking $750 plus shipping and insurance if requested.=3D20
>=20
> Thank you for considering.
>=20
> 73's
>=20
> Howard #3, W A 9 Y B W=20