You need a combiner or what some call a duplexer.  The one I bought had 
an n connecter on one pig tail and a pl259 on the other.  They cost 
around $30
On Sat, 5 Jan 2008, Richard Fiorello wrote:

> Hi;
> Can't resist a ts2000 question or two.  If you are using a uhf/vhf antenna
> with one coax, how do we connect it do both connectors on the radio?  Can
> you set the radio so one connector works for both bands?
> Richard
>