These MODS Just Keep Getting Better... (Quansheng UV-K5)
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- Опубліковано 5 вер 2024
- I came across this mod for the Quansheng UV-K5 on social media.
Works on the UV-K5(8), UV-K6 & Quansheng UV-5R Plus.
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Flash mod directly from a browser: egzumer.github...
More info at the translated page here 👉 www-universiri...
Note - This is entirely experimental. Use at your own risk & only transmit in bands you're licensed to do so.
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*Note* - This is entirely experimental. Use at your own risk & only transmit in bands you're licensed to do so.
More mods & videos on the Quansheng UV-K5 👉ua-cam.com/play/PLSuX83ay4Ouh_qMAC79F92DNVaOtywmC5.html
This type of experimentation can be very fun! Decades ago, I connected an audio modulation circuit to the HW16 CW key and generated a very bad AM modulated signal which I used to talk to a cross-town friend for a few minutes. I imagine that the signal was very distorted, but my friend said it was fully understandable.
That's cool!
Buy a 1MHz crystal oscillator module, square 4 pin type. Connect pin 3 to an aerial, pin2 to earth negative. and pin 1 to the output of a small audio amp with around 5 volts on its output.
result low power medium wave tx
radio-circuits.blogspot.com/2014/06/crystal-am-transmitter.html
The DSB sounds rough because the radio's oscillators are shifting frequency slightly as the DC load from modulation varies. Not really fixable without improving voltage regulation to oscillators. Given the radio is primarily for FM, the designer is unlikely to address this but you could Hayden
I agree with you MJR :)
i opened mine up and soldered a jumper across pin L4 and into Z8 and now i am getting better modulation across both FM and AM frequencies, all the way through air bands, HAM, CB and everything else is coming in crystal clear now. took me a while to figure out that L4 is the loopback for the 5V DC output but once I figured that out on my scope, i was able to solder them up and fixed this little radio, its very good now.
@@Runescape.Where this L4 and z8 pins are ?
@@Runescape.Someone needs to do a video on that. Lol
It's amasing that it does anything at all. Who needs a 9700?😊
Thank the new Beken BK4819 chip Quanshang have used, see its datasheet.
Baofeng have also used it in their new UV17 Pro GPS handy with Airband and GPS,
but not in other UV17's. Not sure if Baofeng have included a reflashable memory?
Why arent there reflash mods for it yet?
Umm I do, already got one.
As a matter of trivia I misplaced my original Baofeng cable and bought another, on Windows 11 it identifies the chipset as CH340, and sees it as a Chinese device. I use this computer for many strange things, such as Arduino and Pi Pico programming so it may be using a driver loaded for one of those. The cable looks like the original Baofeng cable but includes the word "traline" in the Amazon description.
I have the latest Egzumer firmware on my Quansheng, no multimode transmit but only receive. A kind of handy monitor receiver but with limitations. It is amazing what the chipsets are capable of. FWIW initially my radio would not communicate with the computer, some others have seen the same behaviour and found you may need to squeeze the connector very tightly into the radio, to the point where you think the radio is going to be damaged. It may be the moulding quality of the connector as since then mine has been OK.
73
Yeah I think you've hit the nail on the head with the programming cable. One of my K5's is tight, the rest are fine
I use a win 7 32bit laptop to program my radios.
Many 2000's radios not on chirp, program with their own windows 32bit CPS software
Thanks for this comment, you saved my day. I had problems having K5(8) communicate with the computer. I tried to push it in with force, but no success, it was really lose and could been detached really easily. I thought that I had wrong connector, because it was so lose and worked fine with other Baofeng radio. After reading this comment I used more force and figured out that the culprit was lower bigger pin that had to be pushed in further.
@@turtlos well done, mine certainly took ridiculous force the first time, fine now though.
You can flash using a browser on Mac and Raspberry pi aswell .
Just awesome! Thank you for keeping the ball rolling on these awesome radios!
The K5 mod finding King. Your lighting is beautiful as well :)
Why thank you JoeBrett ;)
To eliminate all problems with program cables, I suggest purchasing the XLT Painless Programming Cable from Buy Two Way Radios. It is has an FTDI chip so no more knockoff Prolific crap and the price is right at $17.99. It is a great purchase and it lives up to its name, PAINLESS.
Awesome! Thanks for the recommendation
@@HamRadioDX My pleasure!
Insane fun! What other delightful secrets does this little radio hold?
see the Beken BK4819 chip datasheet
As someone from a computer background, the lack of and slow pace of innovation in ham radios is amazing. Just adding cat control, for example, to a 5w analog hand held would be amazing esp for satellite work.
CAT is available for most HTs. But it does require a cable.
Check out the (Tr)uSDX By DL2MAN & PE1NNZ. 😄👍
@@LeeMcc_KI5YPR what hand held has cat control? I'm talking live computer/smart phone control of the vfo frequency, PTT etc.
@@moozoowizard oops, sorry, you are right. It would be amazing to add, but as a retired EE, the tech support required by the vendor would be substantial, and the Chinese vendors would need to clone commands from the big 3. Or 4. Whatever.
Every smartphone has bluetooth to use a bt headset with, no amateurradio has that, even the most expensive amateurradios. Amoled screens with +500ppi density are usual in smartphones, the screens in even the most expensive amateurradios are lcd and some have ttfl tubes wich burn out, old technology. amateurradio producers are very much behind when it comes to technology.
Got mine Yesterday just done the Firmware update as instructions (using my Baofeng UV cable) via browser SO much easier than flashing manual .bin files. Works a treat albeit cannot see setting for DSB in menu for some reason BUT it will now go down to 27 MHz band so I can sit and listen on 27.555 for any DX ing just pity it can’t TX only RX but what a versatile bit of kit. I’ve used CHIRP to cut n paste my saved repeater channels into its memory and its superb. Like this a lot - if it could TX on 27 MHz I’d be over the moon but it’s nice to see custom firmware’s working straight off the web no fiddling around.
as soon as you say 27.555 and 27Mhz you know you're dealing with an idiot CBer.
so you buy a VHF/UHF handy and because they say it will RX 27MHz you instantly think it's a CB for you..
you want it to TX on 27MHz..!!!
just buy a CB, this is an experimental radio aimed at proper radio users who know how to use a radio rather than idiots on CB radios.
@@CBRadioWayBack10-4 experimental radio my eye, where did you read that, wind yer neck in son, your sounding like a TWAT.
@@CBRadioWayBack10-4 So RUDE!
@@SheffieldVince-2E0NZS you stick to the AB repeater and the rest of the cross dressers.
@@CBRadioWayBack10-4 @CBRadioWayBack10-4 Wow! So you have some experience? Personally I'll give it a miss but you do you lol.
I don't really mind double side band because of "intermod" - sending "silence" into the other sideband isn't such a big deal - look at FT8 where we can have about 60 people sharing the same 3khz of space, all TXing at the same time on the same freq.
Very true! I want to get two of these going and have a QSO across the carpark, street or town!
That would be the real test!@@HamRadioDX
Great job. I wonder what it would sound like on AM - Double Sideband is often another term for AM
I think the carrier is suppressed
@@HamRadioDX Quite possibly, yes. I'd be curious to see.
AM is NOT SSB.
SSB is similar to AM, but on SSB are the carriers suppressed,and the entire power goes on the voice transmission. If you don't speak, you have 0.000 Watts outpot power.
@@Bonewerkzyeah but they’re not talking about the difference between AM and SSB, I’m guessing we all know that. They’re talking about the difference between AM and DSB
Well I'll be, this is a pretty good firmware. For fun, I tried tuning to FT8 frequency on 10m, and I was able to pick up and decode some stations about 2500km from me. I was using FT8CN on my phone to listen and decode, and just a cheap, no name telescoping whip about 1 meter in length. So I'm impressed.
Very promising. I hope the dev can take this further.
The sensitivity in ssb mode prevents clarity when two transceivers are that close. I seen another video where the spectral IMD was not that great on those quanshengs on hf, cause they lack filtering. The scope and the wideband receive would be a plus though tracking radiated signals. I have a HF transceiver and a device in the house turnson intermittently and cause serious noise up my hf receive. A walkie talkie like this would be handy tracing problems like this.
Excellent video. Can you find out if this radio can be controlled with the Baefong cable to work data modes
Have a hand full of Baofengs allready, now ordered 4 of these on aliexpress….
(Who needs a license) 😂😂
And the harmonics out of band are dealt with how? . Testing on Marconi test set it was awful out of 2m and 70cm on TX. Sounds as dreadful as usdx on ssb
I've only tested on 2m and 70cm and my units are clean. Rightly so, outside of that the radio's power amp stages aren't designed for that.
Are there any mods or firmware updates for the Beofeng K5?
Apparently DSB cannot be properly implemented. "Far away from the point of achieving DSB correct transmission due to hardware limitations, but a better, and somehow usable voice DSB signal. Contains FM modulation element.." Does this implementation of DSB have any of the range and digital mode benefits of SSB vs FM?
What about a range performance test. Can the SSB work at 5+ miles?
Eso quiero saber yo. Cuánto de lejos llegaría una transmisión en SSB?. A ver si responde el compañero 😁👍
I just test this firmware by using my Tinysa Ultra and that "DSB" transmission spctrum seems no difference between FM spectrum,but in DSB mode,the transmission power can controlled by voice volume,no speak,no transmit,even if pressed PTT.😂
Coming from baofeng, the menu is kind of weird. I flashed the firmware but can’t figure out how to get to things easily. Can you do a video with exact button presses to get from one mode to another and to do basic functions?
The cable that came with my UV-K5(8) didn't work, but I found that my Baofeng UV5R cable worked without having to install a driver. Now I'm looking for docs to tell me how to work all these new features.
It probably wanted a CH340 driver installed from the mini CD disk that came with it? My UV-K6 came with a cable, it worked fine, ive had a CH340 driver installed long ago
Check the description for a link to a page detailing all the features
I'm guessing that the bandwidth of narrow is upper sideband and the narrow minus is lower. (LSB) That might account for the distortion.
I found reference to audio filter widths on the manual (linked in description) that said narrow- was a 1.7 KHz filter, No (Narrow) was 3 KHz, Wide was 6 KHz and W+ was 9 KHz..
it's double side band you transmit on usb and lsb at the same time, works good, tried on 144.2 and on 432MHz , the other radio was a real side band, no problem
@@gillesg7560 unless the other op switches to LSB on 432 they wouldnt know you are running DSB
PMR 446 SSB anyone?
@@johnroberts8512 There's easier ways to break the WT act and it's not SSB its DSB. It takes some serious filtering to filter out the opposite sideband
Wow, thanks for sharing. These mods get increasingly exciting indeed. Does it transmit at normal power when in SSB? unlike what happens if you try transmitting on an HF band using one of these mods. Don't know how much goes in SSB on the 2m band, though.
Based on personal experience, cables based on the Prolific PL-2303 chip are much less reliable than those based on the CH430 chip. Just my two Euro cents.
CH340 chip and yes they are much more driver friendly, I dont think any new K series data cables now use the fake PL-2303, but you'll have to watch out for old stock
If you have a datalead with the fake PL2303? MIKLOR has drivers that work
I'll do a power output check, I'm guessing it's still full output power on the 2m and 70cm bands.
@@phillipsmiley5930 Well, the first one I've bought from Amazon does have the PL2303 chip. It "kind of" works, the driver installs and the COM port comes up. But it's not reliable. I've had plenty of trouble with this one when doing transfers.
The second one with the CH430 is rock solid.
Is the chip the only issue or are there build quality issues as well? I can't tell.
@@F4LDT-Alain Just the chip, the pl2303 used are fake, Prolifics brought out new drivers that only work on their genuine chip, and windows automatically update the drivers.
AFAIK no new K series cables use it anymore, there are at least 3 other reliable alternatives, the CH340 is the most popular
Are the mods for this radio standalone or can you apply multiple to the radio at a time?
Standalone for this one I think, but there are ones out there like whoistmatt where you can select your own.
whosmatt.github.io/uvmod/index.html
When they say DSB in this video they mean with suppressed carrier, just like SSB is also suppressed carrier, so not AM. Of course, the carrier suppression on a Quansheng may not be as complete as on a radio that uses a filter for that purpose.
What's the difference between double side band a BFO?
i am lost. what does quansheng uv-k5 (8) means?
so how to tell when ordering which to get when most sites have uv-k5s and some with (8)?
i see were you can put it in am-fm- usb - but i dont see lsb so how to put it in lsb in ssb mode ?
Has anyone found a way to increase the sensitivity of the 'FC' frequency discovery mode? I measure the sensitivity right now at 30 microvolts using my IFR 1200.
I've got one coming in the mail now!
Excellent video, thanks! So does this mod add to or sit on top of the other mods or are the other mods (like AM Fix) included with this one?
No this is a completely separate mod. The AM fix mods are done by egzumer. Hopefully they include SSB TX as an option in their future versions. The firmware features are somewhat limited by size
I have the egumer v 19 firmware and tx is disabled on usb and 27mhz
@@antonyhenson8969 Check out the instructions under the wiki - it details how to fix this... github.com/egzumer/uv-k5-firmware-custom/wiki/Radio-operation#how-to-unlock-tx-on-all-bands
which is a better mod overall, egzumer or ijv?
Does it really matter if it doesn't work that great on SSB ? I assume the power level is also severely restricted, so range would be minimal. It's still FUN, and it's hurting no-one. I have two of these radio's, and I bought BOTH of them because they can be played with. I can't afford to brick a $2000 ICOM, but a $40 Chinese handheld ?.....to the trenches Monty, o'er the top in morn'.............
I agree... I haven't tested the output power, but I think that because it's within the 2m band where it's designed to operate it will be up to 5W of RF out. But I'll test that
Why would the power level be severely restricted on 145 and 440?
@@phillipsmiley5930 Only reason I have is that all the other firmwares that make this radio do out of band and so on also limit the output to the mW ranges, I assumed this would do the same. i haven't uploaded this to my radio as yet, I'm still playing with the 15-1300mhz expansion firmware. It was an assumption more than an accusation.
if they het SSB working well I'll be all over that, we have a 2m SSB net here in Adelaide every friday night, be great to have a play with the handheld.
Yes we have, or had, an SSB net in Tennessee. Would be fun to use a handheld yagi and see if I can hear/talk to people.
Installed the new firmware, seems as though I'm hearing very little on AM airband now. Since the SSB doesn't work very well, I'm going back to the AM fix firmware. Also, AM Fix is no longer in the menu. No big deal, just reflash the previous firmware.
Yeah super easy to go back. Egzumer just released v0.20 firmware with more AM fixes too - github.com/egzumer/uv-k5-firmware-custom/releases
Hi, thanks for the great video. I have a problem that I get TX Disable on almost all frequencies. Not on all, but for example on 149.050. What am I doing wrong? Firmware is the last!
Check out the Wiki on the Egzumer page on enabling TX bands
Got excited about this and even more so when I saw there was a new release of the egzumer firmware but he's not got this in it, fingers crossed it will make it into it soon, the egzumer firmware contains all the mods otherwise.
The egzumer mod has been the best/most user friendly I've found
@@HamRadioDX yeah, i love the egzumer firmware, its miles better than anything else, version 0.20 was released today but no ssb as mentioned, hopefully if will make it into a future release but i wont go to another firmware if it does not, nothing else is as good as it.
@@stevefox3763 Oh yeah it makes listening to aircraft so so much better and v0.20 offers more fixes again!
@@HamRadioDX while on the subject of the K5(8), have you seen the 18650 battery 3D prints?
I have one printing right now, what i really need is the same for my Baofeng UV-82 radios as their battery's are very tired, only paid files to print those but the K5(8) files are free as are the files to print Baofeng UV-5R 18650 packs.
2200mah 18650's will last as long as the fat packs you can buy, im gonna look at modifying the K5(8) design to take 5000mah 21700 cells, the radio has just enough room width and length wise.
What is the range performance test under SSB for this radio? Did you make any test? Or anyone knows?
I tested mine yesterday and it was AWFUL! I tested a range of about 3 mi on low power without static, but the voice is so terrible, it's difficult to distinguish what is being said. (This applies to two Quanshang's, TX and DX to each other) I did not do thorough testing however, I only tested the TX on the one radio. IJV mod 2.9R5. ALSO I did not fine tune to dial in the SSB signal
@@IM1deadMONEY Thanks for reply
See if you can fine tune them, Can you transmit on 6 or 10 meters usb because their is a mod to do that@@IM1deadMONEY
Hello! Thank you very much for the excellent video. I've already flashed my K5 and the reception on the air band seems much better. I tried to transmit in 11m but the transmission is inhibited. Is there a way to unlock?
Why do you want to TX on 11m on this radio? The power amplifier is not broadband enough to put out more than a few hundred microwatts and it creates spurs all over the band
@@HamRadioDX, Thanks for the answer. I mentioned the 11m, but I could also say the 10m, since I hold the amateur license and even transmitting only with the driver would be for testing.
Good fun if nothing else and don't forget its a dual band radio for peanuts...
i keep getting 404 firmware not found when trying to load it
@hamradiodx what microphone is that?
A Shure MV7 - geni.us/peExAzA (Affiliate Amazon link)
Cat control Would be interesting
Wow! That’s really cool! Have you tried transmitting double side band on the HF bands?
No I haven't done a lot of that at all. Only really SSB, FM :). AM doesn't get much love from me!
If yon don't add band pass filter, you man transmit illegally. You transmit on 29 MHz, and the signal can harmonically emit to air-band frequency around 110 MHz.
@@bob-wong Only tried on VHF/UHF where the radio's PA is designed to operate, not on any other bands - radio puts out microwatts on those bands anyway.
@@HamRadioDX I didn't try transmitting on HF band either. I just looked at GitHub and saw someone else analyzing the transmission power on different frequencies.
I've just done the firmware update from your link but Mode is not in the menu list
Try long pressing the 0 (FM) key
on my side it works well, even on Double side Band :)
When are they going to bring out HF, VHF, UHF radio..
I've asked them, they have new products coming out in 2024
Does this firmware include the spectrum analyzer function?
Yes f+5
No, the IJV firmware does not.
Fagci, Egzumer, etc. do, but IJV does NOT include spectrum.
F+5 in the IJV firmware changes the bandwidth.
after doing this mod , how do you get it to transmit on 27mhz plz
Don’t TX on 27 MHz. The radio will produce spurs all over the spectrum and you’ll only get microwatts of power out
I had to stand on my 1st one to get it to flash 2ent one i have to hold
I am getting TX disabled Does this mod disable 10m TX? I have it working on 2m
The main wesite talks about resetting the VFO after installing the MOD. Not sure what it does but did you do it? They also recommend saving the config and calibration files
in case you want to return it to stock mode.
can this mod do 39MHZ FM?
No
FTDI chipset is the way to go. Plug and play on windows 10 and above.
Can this operate on 6m and 10m?
Nope
There is a mod a guy did where his went all the way down to 40 and 80 meters ssb recieve, Transmit idk, This is some radio 2 ssb hts and 5/8 wave telescopic on 10 meters or 2 could make some distance, Always wanted a 2 meter ssb ht Thanks great video!@@HamRadioDX
Smashes it with am. On 2 meters also 4 meters
Bought 2 of theese small fantastic radios and yeah, bought 2 more :) 1 to each family member :)
cool. one step closer to real SSB tx. with all these mods coming out, i wonder if Quansheng is taking note and will make their next radio with the mods in mind, or even make the radio do SSB tx/rx out of the box?
If they can spend a couple bucks and charge $20 more im sure they might try, but the fcc has a way of making things painful.
@@GoonyMclinux good point.
While there's a lot of processing power there isn't a lot of core memory, so there's not a lot of room to store the radio's operating program.
The obvious thing for Quanshang to do is bring out a 27MHz handy using the same
Beken BK4819 chip but with a 27MHz front end and PA, maybe a PA that can do 18 to 50MHz to include 10M and 6M
@@phillipsmiley5930 I'd be good with a 10 meter FM HT. My Azden AZ-10 is 27 years old!
Υπέροχο εργαλείο
I bet the harmonics are all over the place.
they are see Brit Yter Andy Kirby review
If you TX out of band they will be.
Not for 2 meters and 70cm. Bandpass filters don't give a flip if you are doing CW, SSB or FM.
Its experimenting with Junk. A Yasu all mode with the diodes cut will do AM, FM, USB, LSB beautiful audio, just what you need for Australian UHF CB between two people who want something unique.
Yep, I have one of those also, but this video is about the UV-K5. Thanks for watching!
IJV Just Dropped Ver 2.8d
What are the major changes?
Isn’t dsb am?
DSB has no carrier, but two sidebands. AM has a carrier and both sidebands
@@HamRadioDX I know some rigs had am with one side band. Didn’t know if a carrier was required.
Looks like am type B8E. Am suppressed carrier
SSB and 10 meters on a handheld for DXing would be the most interesting mod, but that may not be doable.
I bet some heavy modifications it would be doable but would need quite a bit of filter work and power amp rework, I have one and was going to eventually mess with it a little to see if more power on 10 is possible, if it is the filters would be easy so we will see. I would be super happy with even 1 watt for sure. 😂
Yeah the radio puts out microwatts on 10 meters. I'd love for some of these companies to make the old school 10m HT's again. They would've sold like hotcakes over the peak of Solar Cycle 25
@@HamRadioDXThere is ONE Handheld on the Market: Albrecht 2990, 12m and 10m, AM/FM/SSB. Its no FT-817, but ist smaller, draws lower amps and work quite well on SSB. Power out on good NiMH batteries is about 3,5Watt - more than enough...
they maybe getting stopped at the border by customs a friend had there's stoped
Customs do stop stuff all the time, but most likely it isn't because it's a chinese radio but rather collection of GST on import, at least here in VK
I've read that it's been made illegal in Switzerland. Can't be sold, imported, advertised and used of course.
@@F4LDT-Alain I have heard similar about that in some countries, but in most they are free to use to receive (or transmit if you're a licensed amateur radio operator)
@@HamRadioDX .. yes that's true but i heard and it makes sense that people are using these inplace of the flipper zero for replay attacks .. in any case we have a lawful reason to own one so they have little choice but to let it thru or outright ban it ..
There's basically no reason to get the UV5R now...
2M SSB? Why?
SSB has a further range, no hiss from FM, battery useage is more economical, FM uses a permanent carrier and puts more strain on the finals. Power output in SSB could be higher than FM.
Go look up “Bozo Nets”.
Satellites
Maybe DXing (though DSB won't be as good as true USB).
Being weird.
Excellent video TG5ALY
Thanks!
Ultra Narrow FM..
Why promote things that don't HAVE ANY FILTERING- on either Rx or worst on TX.
Did you see my teardown video. It has filtering, for VHF and above.
I meant regarding HF.. there NO Filters
@@n8sdr473 Was I promoting using this on HF?
The issue is not the chip, the issue is the operating system.
Insulting for a commenter to say "who needs a 9700?" Its a cheap chinese radio.
make up your mind, ssb is not dsb, you have shown NO ssb tx
Thanks for the clarification champ
why don't you just zero beat the Icom and get it on frequency for gods sake..
10-4 there champ
@@HamRadioDX Just saying, as surely as an amateur you know how to zero beat and get on frequency,
then you can show everyone how 'off' your radio and possibly others are.
fake news
How so champ?