Xiegu G90 HF SDR Transceiver
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- Опубліковано 19 лип 2024
- Hello Operators.
This is the second episode in the Xiegu G90 HF SDR Transceiver series. The Xiegu G90 is a 20 watt SDR based Portable HF radio. This episode is a deep overview of functions, buttons, menus, settings, ports, filters, and generally how to operate this radio. In the previous video we had a first look at the Xiegu G90, Portable Ham Radio. We talked about who might enjoy this rig, and why we might want to add the #Xiegu G90 HF 20w SDR transceiver to our portable ham radio collection. Finally, we finished up by measuring recieve current, and current draw during transmit. The Xiegu G90 came with a cable for Xiegu G90 CAT control cable. It also came with a breakout box to use the Xiegu G90 with FT8 or other digital modes.
73
Julian #oh8stn
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I would like to say thank you to everyone for watching. If you'd like more videos on the Xiegu G9, check out my Xiegu G90 playlist. ua-cam.com/play/PLKMrdrsNkFA61ybQikT6xGjXNe0H2pj-n.html
Did you end up replacing the power plug with powerPoles? I am wanting to do something similar :)
Bought this as my first HF rig when I first became licensed back in November last year. No problems making contacts with 20 watts, and I think the tuner could tune up pretty much anything you could screw, glue, or duct tape to the antenna output. The receiver seems very sensitive, and it's just loaded with features for the money. Anyone who is hesitating, just order one. Neat little radio.
How has your first year with the radio been? Still happy with its performance and durability?
@@o2bnov0307 Yes, I can still stand behind my comments. Actually using the radio right this moment, and looking up POTA spots. I've since upgraded my base station with a Yaesu FT-450D, but still use the G90 as a portable rig regularly, including the last winter field day, out in very cold and windy conditions. No problems at all thus far. It has its quirks (I always have to look up whether to update the head unit, or main body firmware first for example), but it's a great little rig for the money. I still especially like the tuber. It can impedance match my LNR Precision 40/20/10 EFHW all the way down to 160m, and managed to make a few FT8 contacts that way. Not efficient at all like that, but it worked to some extent. I have no regrets buying this radio.
Just got one and have been enjoying it as my first HF radio.
So much better an dont sound like most hams. The way you deliver an communicate excellent. Stright forward an nuetral. Need more hams like you.
Just got it today as my first radio.
I’m 66 and made my license last week🤪 Enjoy your videos and your voice.
Thanks👍🇨🇭
I have come to regard this channel as one of, if not the best sources of information related to Ham Radio.
Absolutely in the TOP 5! No bullshit here!
Thanks for that. I'll try not to disappoint.
This is such a good statement. I really appreciate how Julian goes into good detail and his production quality is top shelf.
@@OH8STN
I particularly appreciate the way you organize your information. Your videos set a very high standard for those of us who make purchasing decisions on equipment we cannot personally examine. Objectivity in a comprehensive information set is intensely valuable.
Your presentations of the material is absolutely professional.....Other UA-cam channel operators and content creators would be well advised to study your videos.
Hi Julien, another great video, but then again, what else would u produce,.,. BTW, I have seen yr CQ call on JS8, IM WITHOUT A RADIO AT MY CURRENT QTH, was logged into websdr, and using virtual cable into JS8CALL to experiment,.. anyhow 73 Julien,.. G90 looking like a real contender. ciao
Finally a review of the radio from someone that actually read the manual and explored the radio prior to hitting the UA-cam airwaves. I have full HF capability from 100 watts to 1200 watts, however no QRP radio. This looks like a fun, inexpensive (relative) experiment in QRP. Excellent review.
Your review in general is probably the best organized I have seen so far. You obviously did your homework before doing the review and it is professionally produced. That goes a long way. I like straight to the point and let the viewer make their own determination about suitability for their purposed. Excellent job.
I have one of the puppies and have enjoyed immensely. I’ve gone coast to coast without a problem on a simple dipole. A funny quirk I’ve found is that if the noise floor is high, a good thwack on the head unit usually fixes it. Sometimes the vga plug comes loose.
Thank you for the excellent run down on the Xiegu radio. Prior to this I was a more than a little apprehensive. Your demonstration sets aside some of those fears...so I would consider adding this to my equipment. Thank you!
No Problem. Figure with something like this a personal opinion is subjective. On the other hand if I show you from a first-person perspective, it's easier to make up your own mind.
73
Julian oh8stn
... thanks Julian, that was a great presentation. One has to keep in mind that this radio comes without an eye watering price point.. thinking the Elecraft line here. One has to keep that in mind when comparing apples to oranges. I am sitting here with my new G90 'toy' pondering the possibilities. As an older amateur with more than 50 yrs in the hobby, I have seen and owned many a rig, some better than others, and am looking forward with anticipation to this new horizon. Richard VA7AA
👍Thank you. Just ordered this radio, and studying while waiting. Yours is the first primer I've watched in earnest on the G90. Learning and transmitting CW is my goal. I think this radio will do!
After owning and using this radio I like it very much.
I swapped the power connector for an Anderson power poles pigtail to give me some flexibility and performed the "MARS" mod while I was in there.
Thanks for this video!
Great job again Julian. Keeping that bar set mighty high 👍👊
Thank you Tim. This was a relatively relaxing video to make :-)
His videos are always top notch, no pressure.
Julian, thank you so much for highlighting this tranceiver. I as well have a QRO rig at home. I was looking for a rig that I could use for portable (SOTA / POTA) operations. I love this rig from the little testing that I have done with it so far. I am in the San Diego area of California and was testing the Xiegu G90 with a simple random wire dipole that was laying on my mobile home roof on 20 meters. I was blown away at getting a 55 out of an Ontario Canada station. I can't wait to get this rig out on a summit or park. I have chosen some of the components from the Chabeleon MPAS 2.0 antenna system to put together a vertical that I will test at a park. Thanks again for the great work on the in depth reviews and advice. 73, phil KF6IF
I'm in San Diego too; do you have any summits that you recommend? Trying to decide between this and X105
Finally getting to watch this. Thanks Jullian. Again you never disappoint. Super overview.
Just ran across your channel and have found it very enjoyable. Thank you.
I just picked one up and this walkthrough is GOLD! Thank you!
Thank's for that! You should also do audio books - you have a great narrating voice.
I was thinking the same thing. He sounds like George Guidall who narrated The Dark Tower by Stephen King.
I agree with one of the best of if not the best Ham Radio related channels. His reviews are great source of user information, not reading opinions. That means the equipment are deployed in real life situations, tested, etc, and not a pure opinion of how they look or promise. Well done job.
I plan to get this rig in the next few days, so thanks for the information about it. I was between this and the 818ND (which is $530 right now from HRO!), but this beats it out by having a built-in antenna tuner and filters, even if the 818 would be better for long-distance backpacking, power consumption wise.
This Was a Very informative Video on the G90!! And I can believe others will be great in describing ham in it's purest Form, from this channel!! 👍
Nice review! I’m just about to dive into the ARRL article about this rig. Thanks for putting together an excellent video review.
You are very welcome
Got this for portable om the car use, not whilst driving, just side of road stuff. Having to buy separate battery as car power points were too low voltages. Great video for a great little radio !
My G90 is arriving Tuesday, can't wait to try it out.
I have been using the G90 since January. This video has been helpful.
Thanks for an excellent review! I've been looking for a first HF radio & this looks like a great candidate. Looking forward to learning more about this one!! 73 KD9POH
Great walkthrough of the functions 👍
That's the word I was looking for, walkthrough 😂
Very good. An aftermarket clip on compact external battery pack would be a great addition for those just wanting to throw this set in a pack and go. Bit like a mini Clansman.
Thx for this video. I'm having a hard time understanding this radio and how to use it . Wish there was a dummies book for this radio. Please keep making videos on how to use this radio! 🙏👍
Luv the G90, you showed me some new features, I couldn’t find. Thank You! Subbed 73’s
Glad i could help
I've had my G90 for 3 years and I am still amazed at how well it receives and transmits. It is an awesome rig!!
Good review. I've watched other reviews and I'm about to fall into owning this radio. Your input certainly has value to my decision. Thanks, and stay warm and dry. 73 W0YVY
Great review, glad i found it, well done!
Again a great video in the series.
I have been enjoying playing with my new G90, but of course videos like this one to "play along" with make a big difference.
Thanks again!
73 de N2NLQ
You're very welcome 👍👍👍
I finally picked up a power supply to power my G90. With the SWR sweep, I learned my 10 meter speaker wire dipole is perfectly tuned and the tuner in the G90 will tune that wire on all but 160 meters. So time to get the REAL antenna hooked up! Tnx and 73 Julian
Congratulations Philip, and you're very welcome.. I'm just sitting here with the g90 receiving weatherfax.
@@OH8STN Digital application will be my next foray with this rig.
Recien adquiero este chinito... impecable explicacion de los controles... GRACIAS
Thank you very much for the presentation my dear. 73s from 5B4ER (Cyprus)
You are very welcome.
73
Julian oh8stn
I will pass on this and get the Icom IC-705. Great video, can't wait to see your video of the IC-705 when you get one
I'm already on the list for the 705. I can't wait for it to arrive. Thanks for watching
Bit the bullet, arrives this week. I keep getting giddy like a little kid when I remember I got it :)
(this is my first ham radio purchase over $250)
Clear, useful content. Well done.
Enjoyed the video Julian!
Simply LOVE this little "dragon" Great rig in a deasent packet :-)
Thank you for the video.
Good radio Excellent description ciao
Very well done, and you have that "radio" voice that makes it sound professional (reminds me of Casey Kasem).
😂👍
73
Julian oh8stn
I want to build something like this but I just don't have enough time with my other projects. But this one is as close to perfect for me and the price is great.
I like this a lot the fact you don't really have to menu dive 👍🏽 once again a great presentation😎 they should let you keep it..🤗
Yeah not too many menus. For the main menu of the radio you have to dive down but that's even only one level deep. Let's see how it goes with this radio. I like it for HF data modes, so don't mind paying for it :-)
@@OH8STN I'm new to ham radio so when I pass my exam I probably will purchase this so I will keep my eye on you for more info have a great day my brother 73
Good luck with your exam and I hope to meet you on the air soon
as always excellent review. Not much else I can say that the other 100's haven't said. I have this rig now I just ned to learn it. Maybe I can catch you on the air 73.
Good work OM. Thanks for help all of us, :) 73 CT7ABD
Thabks for the review!
You are very welcome.
73
Julian oh8stn
I'm saving up for one myself
I have been using this radio about a week. I had some software problems, which were relatively easy to overcome. I am really happy with it. When you get used to it, which doesn’t take too long, you really begin to see what a good receiver it has and very good filtering, and despite only 20 watt output, I have enjoyed quite a few contacts. So would I recommend it? Very much so.
Great video thank you
I showed two of your videos to our local Ham radio club. Mountain Amateur Radio Club in Oakhurst, CA. I love your videos. One of our members does solar battery water pumps in poor countries who do not have drinkable water. Keep the video's coming
Thanks for the kindness and sharing the message. We're going to get back to some off grid power pretty soon. Shoutout the name to your Club so people can find it.
@@OH8STN Its the Mountain Amateur Radio Club in Oakhurst, CA. We are about 20 miles to the south entrance to Yosemite National Park.
Looking forward to your digital mode usage especially FT8 Call and WSJT-X configurations. 👍🏻
Already using JS8Call and WSJTX (there is no FT8 Call anymore). Two configurations, with cheap usb sound card, and with miniprosc. PPT over CAT or VOX. The cheap sound card was a pain in the butt to get set up properly. That's probably going to be the next video
I set mine up with signalink for WSJTX.
nk14zp do you have flrig working?
@@mikering5383 Just using mine for ft8/wspr. Never bothered with the cat control.
Fantastic vids, best 73s de John MI3JHF
Great video 👌
Thank you neighbor 👍
Many thanks mate. Seems to becoming fast my go to radio. Teamed it up with the QRP ranger so with the built in tuner just need to hook it up to the good old MPAS and on air in no time at all. Outstanding video looking forward to the next in the series. Larry.
If it had 6m I would probably buy it in an instant. I love my 857D and IC-7200 because they're HF+6m but would definitely like something with less power as well
That's an incredibly good point. That's why I love the ft-891
Much appreciated
Thank you !!!
this was nice.
Hey that's a nice radio the g90 I like it better than the Yaesu eight one eight thank you for sharing this video
That is by far the best and most helpful review of any Xeigu radio I have ever seen. Any chance you get to do one of their QRP rig? Also I would be curious to know how it does with signal output. Is it a “spread spectrum” radio like some of the Chinese radios or does it keep it tight like we want?
Great write up on this radio in the March QST magazine. Definitely gets their approval as well as mine.
A 20 watts wonder, thanks for the great review. Sharing to my hamradio india page on fb. 73 de vu3mes
Looking forward to your next video. How is this radio in the field in regards to power drain on battery packs?
Great video for me as I'm interested in something to take camping and into the woods. Using my ft991 at the moment, so this should fit the bill nicely.
Will you be taking it with you in the Lavvu ?
Thanks for the very well done video.
Does this rig have a digital NR? If not, do you know if a NR feature is planned for a future upgrade? Thanks and 73.
Frank
Thanks!
Thank you 🙏👍
Thank you Julian for the very informative video. I look forward to seeing your next video with actual contacts. My G90 has the same FW 1.73 as your radio.
I have observed some problems.
At low power levels (less than 5 W) the transmitted signal is intermittent, i.e. some words are not heard in the far end receiver. This happens also to some extent at higher power levels up to full power. The reason is that the SWR circuitry has SWR spikes that causes the SWR protection circuit to kick in, although the actual SWR is 1.5, i.e. very low.
Secondly the mic gain is too loud. I have set the gain to 0 in order to be able to make a few test contacts.
Also the microphone picks up very loud background noise.
oh2kj
Thankfully I don't have the SWR problem on my rig. The mic gain is extremely hot though, too much in my opinion. I used some wool inside the microphone around the element, to attenuate my voice. That helped very much.
I've been using this rig everyday for data modes, which works very well. Cat control needs serious Improvement. Time will tell if it will last
I just acquired one of these radios. Another learning curve to explore.
What is your recommendation as to where to start to make this radio work. It's going to be a camping radio.
Hi i have decided to et one ,Thanks
Regarding running 20 watts, I am interested to know if you would prefer using this radio in the field over the 891. I know this rig would use less power but I am more interested in usability, ease of use, quality of sound. Which rig would you prefer to take with you on your camping trips. I also understand you will have to try it out in the field a few times before you will have a good opinion. Seen another video on this rig where the guy made about 40 contacts in 45 minutes and only used about 1.4 AH. I know the 891 would use more but i am not to concerned I have plenty of 26650 LiFePO4 batteries. I have been thinking about buying the 891 and or the G90. I wish the 705 coming out had 20 watts.
I am getting ready to attempt qrp
Was thinking about this for a medium powered SOTA rig, but I understand the screen is hard or impossible to read in the Sun. I am leaning towards the KX2 because of this. Apples to oranges because of price range, but I want them for the same reason. Something with a little more punch, and also SSB. I am normally running an MTR-5b QRP on peaks.
I haven't had the problem with seeing the screen outdoors. Still, this is a heavy radio for difficult SOTA summits. Of course the battery must be carried as well. There are definitely better 10-watt choices like the 705 or kx2.
@@OH8STN I will have to cash in some crypto and the KX2. 73 and hope to catch you on the air.
Remember you'll need an external battery to get full power out of the kx2. Also you'll want to add the heat sink kit to reduce very common overheating at higher output power, and the front protection kit to prevent the rotary encoders from being broken. Here's a SOTA friendly power supply ua-cam.com/video/3G0GxVuReLg/v-deo.html
I like this radio a lot for portable use! Does anyone know how to set the mic transmit monitor to headset?
Julian, I always appreciate your vids. I'd love to know your pro/con of the G90 vs the 6100. From my reading online, seems like the 6100 was released sorta 'half-baked,' but that more and more the firmware seems to be turning it into a great rig. Size of the screen, power, and future 'jailbreaking' possibilities [in the case of the 6100] seem to be the primary differences. I know the G90 runs a bit warm on digi modes. Assuming the 6100 does too? Since I operate a lot of digital modes, that could be the tipping point for me. If I had to scale either one back 50%, the G90 would still leave me with 10w. Curious about your perspective. 73! Tim
Thanks for your videos and content. I’m new to amateur radios but I’m going for my general license soon. Can you recommend a portable HF radio. To get me started?
Hello Neil.
Here's a list of my current radio reviews. The only one missing at the moment is the x6100 which I'm working on. Because everyone has different requirements, different budgets, ... it's difficult to recommend any specific radio. My favorite is the Icom ic705. It has everything one needs built in. Just add a resonant antenna. But that might not be the right radio for you. Anyway enjoy this playlist and let me know what you decide.
ua-cam.com/play/PLKMrdrsNkFA7zs23f9CPyZyK12jfEEzAe.html
73
Julian oh8stn
Julian --
1. ACC port: can the AF-In of this port be used for a Mic-in (E.G., with properly constructed adapter, used for a headset)? Ditto the AF-Out?
2. The Comm Port (Yellow) on the rear panel looks like it duplicates the port on the side of the rig?
3. Have you tested or are you aware of any testing and results for the spectral purity of the radio (the Baofeng genre of radios has develped a severe distrust in me of Chinese rigs)?
4. Have you played with Pactor or VARA with this radio to determine how hard you can push it without causing phase distortion at max power?
5. Not shown in your video by apparent from the manual (which doesn't answer my above questions), what use detaching the main body from the control head in a radio of this type?
Thanks!
Jim / n6med
just got my Xiegu G90, first rado, just waiting for the feedline and the EFHW
I have had my G90 for 3 years and it's the best investment I made. I'm sure others will agree. K8BOW
and I still decided to buy yaesu ft818.
i don't say Chinese radios are bad but I trust Japan way more. antenna tuner is relevant to me as I use resonant antennas plus if can operate 4m and 70cm.
or maybe I'm just a yaesu freak.
but thank you for your content.
it's very helpful in times of making a decision.
We all trust Japan more. The only problem with the 818 is the cost of the add-ons which bring it up to todays standards. Mechanical filter, antenna tuner?, audio interface, DSP, external power, cat control cable. If you're just going CW, all you'll need is the mechanical filter.
The most important thing is the radio meets your needs. Just add up the cost of those accessories before you pull the trigger.
@@OH8STN
well I use only HFJ-350M resonant antenna. no ATU needed. 9 band antenna.
it's a new antenna. not many hams know about it just yet. I like it very much.
It's a new name, not new antenna. I have one here on my desk. Will you add Mechanical filter to your 818? I've had fun with the 817 for nearly 20 years. It's not a bad rig, but we can outgrow it.
Have fun, 73.
In the new firmware, the bandwidth is adjusted differently - the F-L and F-H buttons are no longer involved in any way. Maybe make a video on the changes in the new firmware v1.79b3?
Hi, now im thinking about what to get, used ft817nd or xeigu g90 as well, i was more then 10 years almost qro operator, sometimes was on field with my tested well worked ft-100d as well. A year ago i loved with QRP, tryed QCX(its awesome!) on field and so on, but now wanna get on portable with some more packed radio. What you suggest? i like yaesu, but... G90 looks and feel really good... ) - for weekend and for manpack on emcomms.
Thanks for any answer.
And video about G90 awesome! keep testing it please in fields:)
Julian, what is the frequency stability of G90 at higher frequencies like? I am struggling to complete a FT8 QSO on higher bands with KX-3. How does G90 perform in that respect?
Hi, thank you for this instructive video, and all the good work around the channel in general. Do you know if this rig can emit on the 11 meter band (citizen band) as well ? Thanks !
If only it had an on-board sound card for single wire control
Agreed. Internal sound card and CAT control over a single USB.
@@OH8STN - seems either/or for some reason. Either you get single wire OR an antenna tuner.
@@OH8STN I think you will find that you will use the G90 more than either the FT 817 or FT 891 for man portable ops. That extra 15 watts, for me, makes the difference in contacts, plus, you get a waterfall display! I find that I am only down about one S1 unit from the FT 891 from reports. The G90 is able to solidly get above the noise compared to 5 watts QRP. The G90 is considerably lighter compared to the FT 891 when you factor in an additional antenna tuner, heavier battery, ect.. The G90 serves that middle ground well between QRP and full power rigs like the FT 891. In addition, it handles digital ops and WINLINK just fine. The G90 is fairly ruggedly built. I have traveled all over and through many airports with this rig. BTW, I use my G90 with a single USB laptop linked with a multi-hub with no issues. 73s IU3JNT
a little off topic , but wanted to share and say thanks ...I'm much better prepared now thanks to your channel...CNN just reported (3/11/2020) Italy just declared ALL SHOPS except supermarkets and Pharmacies CLOSED.....This is turning out to be the start of a really bad day....!!!!
do you interface it was PI for rig control/digital?
Julian,
I am contemplating purchasing the G90, or a used FT-817nd. At this point in your review process, do you have a preference?
-Ross, K8RLB
That's a tough one Ross. I do have an emotional attachment to the 817ND. If I'm just being a heartless about it, it kills me that I can only put one filter in the 817nd. That's going to cost between 80 and 150 bucks on top of the radio. The g90 has variable filters built-in just like the ft-891. If those built-in filters are more important to you than VHF and UHF, I would say go with the g90. The opposite is also true.
I have this radio it is great love it W8KFW
Nice video sv1gzl
Hi Julian, its certainly ticking some boxes. Could you show how you set up for digital? Cheers W
Hello Wade, good to hear from you. Yes the next video in the g90 series is data comms 👍👍👍
I like this radio if it was 80 to 6 on tx I would get one
Agreed. The lack of 59Mhz is a bummer. Otherwise great radio.
73
Julian oh8stn
Hi, very nice review.
I doubt which one to buy for field day for backpack travel: Xiegu G90 or X5105.
G90!
I've used mine portability several times.... Check my QRZ page- WA2NWN
@@GetOutside38 Many thanks!
Forgive me if this was covered in another video. I'm playing catch up on your channel. Can you show how you set this up to run digital modes? I have an X108G with XGGComms cable and haven't been able to get it on digital yet. Was thinking this might be a better alternative for some of my Ham buddies who want to do QRP-ish /P ops.
Not to worry. Data Communications is the next video in the g90 series 👍
Many thanks , you should have written the manual!
Bought this radio specifically because of your glowing review of the G90's simple logical BW filtering GUI. I have a FT-991a which is a fairly decent radio overall, but Yeasu buries the filter bandwidth settings in sub-menus which I ABSOLUTELY HATE.
So, after viewing your video, and agreeing 100% that Xiegu got it right on the G90 - that this WAS the PERFECT way to handle the BW filtering - I literally went right out and purchased the G90.
So, imagine my joy when I found out that as of FW 1.79, Xiegu has TOTALLY TRASHED this brilliant filtering interface by turning it into a really crappy copy of Icom's silly "dual shift" filter tuning. This dual-shift nonsense interface makes no sense on a modern DSP filtered radio where it makes much more sense to let the user set low cut, high cut, center-frequency, and BW directly - ALL OF WHICH WERE EASY TO DO ON THE G90 UNTIL XIEGU DECIDED TO SCREW THINGS UP.
With Xiegu's new "Icom knock-off", dual-shift-stupidity interface it's incredibly difficult to visualize the "filter BW overlap" area based on a really TINY poor graphical GUI and the provided "BW" calculation is inaccurate to the point of uselessness.
With their previous G90 firmware, Xiegu literally HAD the best interface you could ask for. For example, In voice SSB mode you could easily directly set lower and upper cutoff frequencies -- and for CW operators, where it makes more sense to set the center-frequency to the sidetone spot frequency and then narrow the bandwidth, that was ALSO available - PERFECT. BUT ALL THAT IS GONE. I'm only sorry that my G90 just went past the return time frame, or I would send the damn thing back to them - that's how much I HATE THIS REALLY STUPID CHANGE!
Hi Steve,
I must agree to what you wrote here. Within minutes I returned to the V1.75 FW version, I started out with. For CW I use the center and bandwidth controls, for SSB the lower and upper cutoff. All just one or two button presses away...
Sometimes I wonder, what I am missing, with the new firmware releases.
Hope you also "downgraded" and are able to enjoy your G90 again!
73 Willy
A great radio….
Thanks for a very informative video. I've been watching this radio since it first appeared and like many I'm considering it as a replacement for my ft-817. My one concern is regarding reliability. I am a member of the main xeigu Facebook group and see many posts there from people having issues with the rig. This is a difficult thing to judge as naturally people don't tend to post when all is going well. Shall follow your experience with the radio with interest.
AndyR aka G1UUP
Hey thanks for the feedback. I'm not defending the radio and there definitely have been some operators with problems. I have noticed that many of the real problems have been with early models. Other problems have been fixed through firmware Updates. This is not unlike initial problems with the Yaesu ft-891. Ultimately these problems are corrected. The important thing is to buy through a reputable seller. If there are some problems, you can return the radio or have it replaced.
Xiegu.eu is in Sweden. If I could only get this radio from a Chinese seller on eBay, I wouldn't present it on the channel.
I am looking at this rig to augment my ft817. Like you, the display is getting harder to see
Totally understandable. I would never sell my 817, but it's nice to have a reasonable screen.
What does the SDR chip do in this TRX? Only panadapter (48 kHz) or more? Is there access to the circuit diagram?
I don't know how to answer your question, as the radio is the SDR.
Have a read. en.m.wikipedia.org/wiki/Software-defined_radio