I've recently come into possession of a Yaesu FT-1DR, and one of the first things I noticed is that it has a bluetooth icon on the screen! Turn up the contrast and look carefully at the line of icons...

FT-1DR display from https://www.youtube.com/watch?v=6V-sz2qBSjA

None of my research has turned up any bluetooth option or even a hint of built-in bluetooth functionality, but presumably Yaesu didn't repurpose someone else's display which just happened to include a bluetooth icon, so why is it even there? I assume they considered it seriously enough as an option early in development that it got on the display, but reconsidered at some later date. So what are the chances that there is untapped bluetooth potential, perhaps built into the GPS chipset or some such, that only requires someone to go to the considerable effort of reverse engineering the interface and writing a stack for it? More likely, the icon is a leftover of a consideration to keep options open early in the design process, because I'm guessing that if there was bluetooth hardware in there they would've made use of it, but I don't know much about how Yaesu designs things and whether there's a sister model that did include bluetooth and might have shared hardware (or at least the screen) with the FT-1D.

If anyone has any insight I'd be most interested!

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    $\begingroup$ I've added a screenshot to your question. $\endgroup$ Jan 25 '19 at 15:12
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    $\begingroup$ This is a pretty speculative and hence subjective question (unless someone turns up some documentation of Yaesu's development history). So, a note to people answering it: please make sure that your answer is supported by something, whether that's a citation or an argument based on electronics manufacturing practices, not just “well I'm sure Yaesu would/would not have …” $\endgroup$
    – Kevin Reid AG6YO
    Jan 25 '19 at 15:25

Yaesu simply uses one LCD, which has a dot matrix display in the upper part, and a few fixed icons in the lower part, as can be seen in the picture in your question, for multiple handsets.

Compare this photo of a VX-8R:


So, same display, different hardware.

Chances that there's Bluetooth in the FT-1DR are basically zero. Bluetooth simply takes a more expensive microcontroller with integrated Bluetooth functionality, and I don't see a compelling reason to assume both devices use the same main PCB - meaning that even if they used the same bluetooth-containing microcontroller on the FT-1DR as on the VX-8R, then they wouldn't have routed the microwave trace from the chip to any antenna or header.

Then again, the form factors are similar, so maybe it's really just a matter of replacing the microcontroller and getting the right firmware image, but I'm not willing to call an endeavour like that a hobbyist project.

  • $\begingroup$ I just looked at online information from Yaesu about the FT-1DR, and I found nothing whatsoever indicating that it has Bluetooth capabilities. $\endgroup$
    – Mike Waters
    Jan 25 '19 at 20:39

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