There's no Zircon-marked unit as far as I know, but the SABA and ITT units I have come across uses the plain SL31253 and *54.
2006/5/17, I.M.Knowles@xxxxxxxxxxxxxxxxxxxxxxx <I.M.Knowles@xxxxxxxxxxxxxxxxxxxxxxx>:
Thanks Fredric. One other question, any idea about the Zircon/SABA/Grandstand/ITT models have you seen any of those using the standard SL31253?