I see it's been a few months since your post and nobody has replied.
The only thing I can say about these units is that for their physical size, I'm fairly certain
that they will be incapable of a 600KHz split on 2M. The duplexer required for 2M is
physically larger than the cabinet which houses these units. On 440MHz, that may be
a different story because we use a 5MHz split there, and the frequencies being higher,
the components are smaller.
If you buy one of these for 2M with the understanding that you'll still have to buy a
duplexer that will work with a 600KHz split and mount it externally to the unit, then
by all means, it may -possibly- fill your requirement.
73, -WY3X