At 07:46 AM 01/04/07, you wrote: >has any one tried to use the tk-431 for repeater use on 900mhz ?
Yup. That radio, and it's mobile cousin (the 931) are a major topic of dicussion over on the AR902 group. I suggest that you go to <http://groups.yahoo.com/group/AR902Mhz> join, then spend an evening reading the archives (you can filter by topic). Mike WA6ILQ

