look for a talking frequency counter.  This will require that you transmit and therefore use a dummy load or have the  appropriate licence for the radio under test.

>>> Dana <[log in to unmask]> 04/16 3:40 PM >>>
I would like one of those also.

On Mon, 16 Apr 2001, Goshawk wrote:

> Date: Mon, 16 Apr 2001 22:21:41 +0100
> From: Goshawk <[log in to unmask]>
> Reply-To: Blind-Hams For blind ham radio operators
    <[log in to unmask]>
> To: [log in to unmask] 
> Subject: frequency finders
>
> does anyone on the list know if there is a unit that blind people can use to
> find out the transmition frequency of a radio? I have a lot of hand sets
> that I have got from various places but don't know what frequency any of
> them use.
> if anyone has info on any such unit could you please include details of
> where to get the unit from, please call or e-mail.
>
> phone details.
> 020 8478 5841 if calling with in the u.k, if calling from outside the u.k
> first use your international dialing code then 44 for the u.k then 20 8478
> 5841.
> send e-mail to
> [log in to unmask] 
>
> Simon
>