• 817 Companion for Ham Radio 1
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817 Companion for Ham Radio

The 817 Companion app is dedicated to all the proud owners and users of the Yaesu 817 amateur radio.
The Yaesu 817 is a fantastic radio but has some faults. One of those is the very small display.

The 817 Companion app will connect to your Yaesu 817 via USB cable or Bluetooth serial adapter, and will let you almost completely control the radio frequency, band, IPO, ATT, NB, AGC, Transmit Power, front/rear antenna... all with a simple touch on your Android device display.

But not only!

The 817 Companion will put your little radio on steroids but adding:


- logging possibilities (with ADIF and CSV export)
- automatic eQSL sending (as soon as you log a QSO, the app sends the eQSL)
- automatic query to QRZ.com to fill in data (name, QTH, locator)
- automatic calculation of the distance and bearing
- automatic frequency scanning up or down from 1Hz to 100Mhz at the time :)
- a beautiful audio spectrum/waterfall with touch QSY
- it supports the use of "panadapter" kit that allows to use the 817 as an SDR with up to 24kHz bandwidth (contact me if you want more info about that!)
- antenna tuning with a single press of a display button
- real time DX Cluster spots with touch QSY, filtering and alerts!
- 10 frequency memories for each band (a total of 140 memories!). Each one can be customized with a label and a color
- and more...

You can read more about the app here:http://817companion.com

and read the online manual here:http://817companion.com/manualIMPORTANT:To make the app communicate with the Yaesu 817, you need a USB CAT cable with an OTG USB cable adapter (and an Android phone supporting OTG), or a Bluetooth CAT wireless serial adapter.

To take full advantage of the app functionalities we suggest that you also get the easy to install, no soldering required, "817 panadapter kit" that will transform your Yaesu 817 into an SDR! Contact us for more information or check the website here: http://817companion.com/panadapter for images and video showing the kit.

For any request of information and support contact us at:[email protected]

or on the website:http://817companion.com

72/73 Andrea IU4APC

Category : Communication

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Reviews (22)

Jar. M. Jan 3, 2020     

Loved it. Excellent app for my 817

Joh. G. Sep 5, 2015     

I really enjoyed this app... It took a few attempts to connect first time, then I found power cycling the Bluetooth adapter in my radio necessary between using the computer and phone for cat control. Tuning works fine for me. DX is one touch away. It's really awesome. There are a few unhandled exceptions in the code which produce error messages though. Best upgrade to 817 since bhi noise DSP!

A. G. u. Aug 27, 2017     

Bought it for my R1HD Android 6.0 but it does not work. Seems not to recognize the bluetooth device. Works on an older Android 4.3 I almost junked. I think a minimum error handling would go a long way as the code seems to throw a lot of uncaught errors.

Rob. R. Aug 11, 2016     

Tried to write the dev multiple times but get no response. Tried using bluetooth and a OTG cable but still have the same issue with very slow changing of frequency. Also seems to make strange changes to the radio settings which I did not set via the app.

Jas. P. Aug 30, 2015     

When put in tune, it switches to packet and tgoes into tx fine. Then when you push tune again to take it out of tx, it locks everything up, including the power button. Have to cut power and shut the program down every time. :( ####Ummm yes, I give it a 1 BECAUSE IT LOCKS UP THE RADIO! The other features are useless if it locks up. FT817 with Galaxy Tab 3 and Note 2. Fix it and will re-evaluate. I pay $ for a working product not sarcasm!

Joh. S. Sep 11, 2016     

A nice app, due to the 817 small screen and even with the feet to raise the unit it's not easy to read the display and this app helps overcome this issue. One thing I would like to see is a rotary dial on the app

And. B. Jan 12, 2017     

Great help with controlling radio with such a small screen. Only problem is won't connect to WiFi to use cluster. Says the app is not connected and to check connection. Any ideas...

A. G. u. Nov 28, 2015     

I hope this helps compensate for the one star rating you received. :-) It's amazing to me that in the face of so many good reviews, someone would assume there is something so fundamentally wrong with this app.

Mik. M. Oct 29, 2016     

Does not reply to emails. Dx cluster quit working. Modifys radio settings with out being asked to.

A. G. u. Oct 2, 2016     

It's great, but dx cluster now doesn't work & says to check internet connection. My internet connection is fine.

Pmr. R. Jul 12, 2017     

The support is lacking I have emailed from two accounts with no reply .I cannot get the app to run on android 4.2.2 it crashes with a java error .still no support.a waste of money do not use

A. G. u. Apr 27, 2016     

Works well with the cheap €11 FT817 bluetooth adapters available from China via eBay, amazing features, well worth the €4,99.

Alb. W. May 2, 2017     

Have to give this a 1. I can't connect from my Samsung S5 to my 817 over Bluetooth, it will pair but the app fails to find it - 'No device found'. Connecting from my laptop/mac works fine. I've got no response from emails to the developer asking for help to diagnose this.

Stu. H. Nov 28, 2015     

This app makes the 817 so much easier to use when out /P. no more squinting at a tiny screen!

Car. C. Sep 13, 2017     

Buggy over BT. Slow slow to scan. Dx cluster did not work.

A. G. u. Oct 21, 2016     

Allows me to remote Operate the radio stuffed nicely in a Pelican case in my backpack without exposure to elements.

Dav. D. Jan 8, 2016     

Have it working using a cheap Chinese 817 Bluetooth adapter

Dan. S. Aug 6, 2017     

I get it to work on my RCA tablet. But will not connect on my Droid Turbo 2 for some reason. Any ideas? Using bluetooth. Thanks

A. G. u. Dec 12, 2015     

IU4APC - Andrea has created a great app! I bought the Bluecat wireless dongle and I fire up 817 Companion and my OLD Nexus and BOOM I'm on the air with an easy to see and VERY useful CAT display. Sure I could suggest some additional features to make it better (for me) but as it is now, it is fantastic and well thought out. Thank you Andrea for your hard work creativity. I'll be looking forward to your future creations. I predict someday this will become your day job (making apps) and you generate a nice income. Thank you again. - Craig

Ste. S. Mar 5, 2017     

Like the app for cat, would like to buy the panadaptor kit but no response from devoloper

Ken. P. Dec 29, 2015     

Seems to be OK on the 897 as well..

Jul. W. Sep 11, 2015     

Small price, big results. This app hrlos the FT 817 play like one of the big boys.