Assembled (tr)uSDX from eBay seller uellyqh

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VA3OSO
 

Posts: 14
Joined: 02 Jan 2022, 16:01

Assembled (tr)uSDX from eBay seller uellyqh

Post by VA3OSO »

Just got the radio this afternoon and quickly did a couple tests.

The radio came very well packaged and included a 6 inch power cord and a BNC adapter for the SMA antenna jack.
uellyqh-tusdx.jpg
uellyqh-tusdx.jpg (203.8 KiB) Viewed 2068 times
The 3d print build quality is very good, it feels very solid and durable.

On the screen of the radio where it should say truSDX it displays my callsign.

The small top buttons, menu, enter and PTT sometimes don't work - this is really annoying.

The sound output from the speaker is loud an clear. Tried a bit of digital modes and stations were reporting to have heard my call.

VOX worked well for FT8 and JS8

The frequency seems to be off about 1200hz. I noticed this first on FT8 where the band seemed shifted up when on frequency, but when tuning the radio up 1000hz, it would look normal. I will test this again in the future.

The power outputs at 12.8v, as displayed on my cheap auto tuner were: 80m 4.6w 40m 3.5w 30m 3.5w 20m 2.7w

Also tried the radio powered from the USB port, showed .8w out on 80m and .5w and lower on the other bands.

I love the form factor, size and power draw of the radio.

Thank you for this unique radio, it's great! Can't wait to get out and try using it now.

Carson
VA3OSO
VA3OSO
 

Posts: 14
Joined: 02 Jan 2022, 16:01

Re: Assembled (tr)uSDX from eBay seller uellyqh

Post by VA3OSO »

The eBay seller claims I am pushing the buttons incorrectly. :?
N6ALT
 

Posts: 21
Joined: 02 Jan 2022, 20:02

Re: Assembled (tr)uSDX from eBay seller uellyqh

Post by N6ALT »

Mine should arrive today, but it sound like it's going to be great based on yours. I will report.

Joel
N6ALT
AC9YY
 

Posts: 133
Joined: 21 Mar 2022, 00:04
Location: Illinois, USA

Re: Assembled (tr)uSDX from eBay seller uellyqh

Post by AC9YY »

How is the efficiency?
AC9YY
 

Posts: 133
Joined: 21 Mar 2022, 00:04
Location: Illinois, USA

Re: Assembled (tr)uSDX from eBay seller uellyqh

Post by AC9YY »

N6ALT wrote: 23 Mar 2022, 16:17 Mine should arrive today, but it sound like it's going to be great based on yours. I will report.

Joel
N6ALT
Mine is supposed to arrive today as well.
VA3OSO
 

Posts: 14
Joined: 02 Jan 2022, 16:01

Re: Assembled (tr)uSDX from eBay seller uellyqh

Post by VA3OSO »

AC9YY wrote: 23 Mar 2022, 17:27 How is the efficiency?
My crude meter was reading 600mAh draw on transmit
om0wt
 

Posts: 5
Joined: 25 Mar 2022, 08:51

Re: Assembled (tr)uSDX from eBay seller uellyqh

Post by om0wt »

"The small top buttons, menu, enter and PTT sometimes don't work - this is really annoying. "

I have noticed the same problems with the assembled rig from Aliexpress's Up Tech Store.
Faraaz VK4JJ
 

Posts: 215
Joined: 30 Dec 2021, 21:56

Re: Assembled (tr)uSDX from eBay seller uellyqh

Post by Faraaz VK4JJ »

om0wt wrote: 25 Mar 2022, 09:11 "The small top buttons, menu, enter and PTT sometimes don't work - this is really annoying. "

I have noticed the same problems with the assembled rig from Aliexpress's Up Tech Store.
Have you checked the solder joints?
VA3OSO
 

Posts: 14
Joined: 02 Jan 2022, 16:01

Re: Assembled (tr)uSDX from eBay seller uellyqh

Post by VA3OSO »

om0wt wrote: 25 Mar 2022, 09:11 "The small top buttons, menu, enter and PTT sometimes don't work - this is really annoying. "

I have noticed the same problems with the assembled rig from Aliexpress's Up Tech Store.
Thanks for posting this - I thought i was pushing the buttons wrong. The seller wants me to make a video of the button problem - I will share that this weekend.

As for the solder joint. I haven't opened up my radio yet to look inside.
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