Dear Kenwood Customer:

Thank you for your e-mail inquiry.  The tone unit you have requested is no longer available 
from Kenwood.  There are some after market tone boards that will work with your Kenwood radio.

You can inquire information with Communication Specialist on their tone boards.

Communication Specialist
426 W. Taft Ave.
Orange, CA  92865-4296
800-854-0547
714-998-3021
http://www.com-spec.com

If you have any further questions, please e-mail us again.

Sincerely,

Kenwood Customer Care