Review of the QuanSheng UV-k5 (
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- เผยแพร่เมื่อ 20 ก.ย. 2024
- I received the QuanSheng UV-k5. It is a nice little radio with two main things that could be better. Watch to learn more about this nice radio.
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Thanks,greetings from Belgium.
There are some secret menus for this radio with radio off. Hold the PTT and Function key 1 together turn on is one secret menu. And also do the same however with the Function Key 2. Your welcome. 😉
It is being tested into a 50 ohm resistive load but in fact it MAY have been tuned at the factory into the rubber duck antenna which is not 50 ohms resistive. Therefore the measurements are not valid.
The spectrum measurements should have been made by transmitting with he HT, and using matched pickup antennas on the analyzer. If testing on 2 meters you use a matched 2 meter antenna to measure the fundamental power, and to measure the 3rd harmonic you switch antennas on the analyzer to a matched 440 antenna.
Be careful drawing conclusions, folks.
Thank you Dave a lot!
I just buy a UV-K6 and I straight jump to see your videos!
Apart of your technical experience (is not on discussion :-) I want to thank for you clear English.
Even a little italian amateur (IW1CJV) can understand every words!
Great Man!
Chwan shung. Baofeng: Bow like bending at the hips - bow fung. Xiegu: Shee-eh goo.
Appreciate the nice review, Dave. Happy Easter everyone. 73, AC3HT
Is “scrambling” the same as encryption though? These radios scramble through frequency inversion, which is an old, well documented technique, which also happens to be very easy to unscramble with little effort. Curious if that would still fall under the FCCs rules. I could argue that DMR is “obscuring” the transmission as well. If I have an analog radio, digital transmissions are obscured. Sure, more people have radios capable of decoding DMT, but if you have a K5 and “scramble” the signal, I can unscramble it with another K5 through simple brute force. Just playing devils advocate here, curious what your thoughts are.
9:41 Hey kids, don't ever grow old.
I like proper phonetics when your saying the letters for something. My father(sk) taught me young the proper things and I use them to this day. My father was my mentor and best friend. That is why I enjoy you and your videos. Great review of this new radio. They will cause problems. Wonder what could be done externally to help with those harmonics. 📻🎧
You can set the region in the "secret" menu. I assume that will set the frequency restrictions for each country?
Great video Dave. Thank you! Grtz from The Netherlands.
Is there a usb charger on the side
Good review Dave. Mine came setup for EU. Hold the PTT and top function button and you can set the frequency lock to FCC and it won’t TX outside the ham bands. Mine was clean on 2m, 70cm was out of spec by 6db. The spur was about .0046 watts. I tuned a second radio to the spur’s frequency and could not hear the Quansheng. Agreed they need to filter it, but the spur wasn’t detectable by another radio a foot away so I can’t say it’s interfering at .0046 watts.
You omitted to say that to access those menus you have to turn the radio off first, then turn it on while pressing the top side button and PTT simultaneously. You can choose to transmit on the US FCC frequencies, European, British or none; just select the band you wanna transmit on right up to 500 Mhz.
Does the scrambler work? I tried it, but it doesn't kick in. Defaults over to "off". Used both types of software and the front panel. too. Looks like an unlocking situation. It's already in it's third generation. USB-C is now removed. Ordered an additional one for $20.26.
These guys don't like cheap radio harmonics because they dense their Yaesu's.
Any options on using these for Fox Hunting on 440. I am looking for something with a signal meter that works.
VK7HH,s test of this radio show no spurious emissions and the radio would not transmit out side Australian ham bands, don't know why it's so different.
At a guess - I think Dave's gotten his sent from somebody/not himself buying one. Would have been an early version unlocked / before the code had out of bands locked out, maybe unlocked before sending etc.
As said, just a guess. Hayden's unit / VK7HH seemed much better.
Guess comes from the packaging - that's not how they come with the model number written on with a pen
I watched VK7HH's video, it failed on harmonics.
@@godarklight It failed the 2nd harmonic, but the other harmonics were fine
That large plastic guard around the power nob makes it hard to place the programming cable into the port.
The backlight on this radio stays on while scanning and there seems to be no way to turn that off. This irks me so much.....Such an oversight. I tweeted Quansheng about it. They said the demand is low so they won't be providing firmware updates for now but will let us know later.
There is firmware along with the Firmware updater program. Any idea if the firmware is newer and if so what are the changes?
Update the firmware. The latest version is K5_2.01_26. That will fix some minor issues like, The monitor is now turned off when you change the channel, Recieve quality on the airband, and fixes a error some people seem to get when they enter DTMF codes. BTW, in the firmware package there's a driver installer. Do not install it if you already have a Kenwood cable that works with Chirp.
No, thanks ;-)
Great review! I wonder if the charger (or batteries) are compatible with the Baofeng?
They are not
The transmitter in that rig drives a coax connector, and the chassis is intended to be the "ground." In normal use the rubber duck antenna's load is probably way off from 50 ohms and the effectiveness of the rig is partially dependent on the user holding it in his/her hand and coupling their hand to the chassis.
The designers probably took this into consideration and tuned (or broadband designed) the output stage to be most effective with the rubber duck HELD IN SOMEONE'S HAND. To test it into a 50 ohm load like Dave did very likely resulted in invalid readings. I would take with a grain of salt both the power output and the spurious signal levels.
Dave should know this, being an electrical engineer.
Classic IBM Model M keyboard for the PC
Try putting anything above 76MHz RX in the menu or software, doesn't allow where the Baofeng does. Lots to scan 76-77, bit of a disappointment.
will or can you get it to transmit on air band?
The reason it takes longer for some of us to get up is because we have more assembly.
I am interested in a proper review of this radio. I would have liked to hear what it sounded like, the receive sensitivity, will the Baofeng programming cable work, etc... Overall, this video could have been edited to less than half the length. Maybe practice before to help with brevity Setup tests before so we dont have to sit through cable management. Learn about how to more easily use your spectrum analyzer - cursors are usefull...
Good points all. Give me a link to your channel so I can see how it's done right.
Good catch on both the spurious emissions and the out-of-band transmit issue. I hope they listen to you and make mods before going into wide-scale production! They should pay you for catching this!!!
It's not that they didn't catch this, they never tried in the first place
Watch VK7HH,s TH-cam video on this radio, totally different results.
Harmonic suppression is a pretty basic regulation requirement in any country. The manufacturer must know this because In neighboring Japan, harmonic suppression regs are tougher than ours. They need to put in a low pass filter for the 2 Meter and 70 Centimeter bands if the manufacturer hopes to meet exceed the 60 dB suppression requirement.
Your spectrum analyzer has coursors that will do all the math for you.
bon soir ,le câble programmation est t'il compatible windows 11 ? sur les baofeng non
Was that a review?
I wish we had seen the end of SMA-RP bt now. It seems like it stems from an FCC ruling back in the 90's in a stupid attempt to stop people hooking up a high gain antenna to their wi-fi routers. Needless to say that it served no purpose whatsoever and had the unintentional outcome of polluting the sphere of radio with yet another connector standard.
I was very interested in the airband RX on this radio Dave.....I now know of 2 people who bought one just for its AM airband.....as I suspected..they reported that its next to useless on airband.
Such a shame.....at the price it would have been great if it was ok on airband.
They both got full refunds....and I decided not to by one.
I am licenced in the UK...2E0LPL.
Only a proper scanner like those made by Uniden receive Airband properly. I bought a dedicated Airband transceiver for listening only, the Yaesu 250L isn't too expensive, it's great.
Does RT Systems support programming for this radio yet?
No, and they've announced that they will not.
Drink less,help you with the tremores 😂
You can't trust the specs on the Chicom radios, and especially not the capacity of the batteries. They are notorious for exaggerating the capacity of batteries.
Is the CPS on their website legit? I keep getting a virus warning when I try to run it.
It’s save don’t worry. I downloaded them all and programmed the radio and updated the firmware without any issues. I used the Baofeng cable.
@@92pavelow- And this is one of a number of things that should have been covered...
AM Airband receive is badly distorted. CTCSS and frequency scan a great feature. My unit cost me $AUD48 including shipping. I needed a scanner, that's why I bought it, but am terribly disappointed by Airband as I conduct tours at the local Airport Historical Aircraft Museum, weak AM is more readable, but at an airport, i found removing the antenna and using my finger, reception not as distorted, but was still distorted. I think they simply de-tuned the FM discriminator for AM, it definitely doesn't have a proper AM detector. It also doesn't have as "S" meter, so, not ideal in transmitter hunting.
Me and a few pals also found the AM airband was next to useless..very disappointing.
Change the antenna. Maybe make a copper dipole or use a directional yagi.
@@nickaxe771 The unit will default to FM when turned off and sound distorted. Check the menu, mines fine and the airport 45km away.
@@rexcameron414 I do know airband is AM Rex....many thanks.....yes it was set to AM.....spoke to several owners....all said same...useless for airband.....your very lucky with yours rex.
Thanks for review with spectrum analyzer. Its beken chip configuration is way too noisy and in EU this should not be sold.
Doubtful it has anything to do with the Beken IC. It's going to be the frontend filtering that is responsible.
@@truectl Hey, to be more precise I meant many other radios like TYT and Retevis have same chip, but their implementation around it is much better.
the peer to peer programming make this the new cheap radio period.
44€ on Bangood
This radio has some cool features but poor sensitivity , AIR sounds off tuning. Another radio that is let in the country with only more problems. You know people not HAMs going to turn on the scramble feature (illegal) . Save your money and time.
Boafeng in a different case. 🤷🏻♂️
DO YOUR RESEARCH ....
@@charlieoscar09 I’m being sarcastic. 🫤 but it might as well be.
@Joseph Proia worse than a Boafeng
It selled ¥180 in China, about $30.
Just buy a decent radio like the Yaesu FT-60 for around $100.00 or, the very highly reviewed FT-65 for around $165.00 instead. There is no justification I can think of to buy this spectrum polluter.
For this reason I bought the Yaesu FT4-X. Solid, nice look and feel, and clean in spectrum. And, wont be banned in the EU!
Another 5 watt unlicensed Band polluter that operators can just throw away...
It would be different if they cared enough about the hobby to take a simple test...
See my comment.
@feeatlastfeeatlast I don't care... I use my radios in the field for fun and emergencies. Why would I risk my life or my hobby on cheap garbage...
Not to mention, it's a frequency splatter gun that will step on other bands...
I don't fart in a crowded elevator, I won't fart all over the bands either...
@@shrugg6593 that's fine IF, you can afford the more expensive radios. Some of us can't afford to spend $500+ for a radio and have to make do with what we can afford. I'm a licensed Amateur who works part time and don't make that much. I'm also a licensed GMRS licensee who paid $70 for my license. I do have a Yaesu FT65. That's the most I have paid for a two way radio.
@@nimblehealer199why do you care what I think? I could care less what you think...
@@shrugg6593 *couldn't care less.
Most TH-cam reviewers play dumb and don't test for spurious emissions, apparently to keep getting free radios. You tested, found it out of spec, yet call it a "nice little radio" and promote it as "feature-rich." These harmonics will interfere with TV channels, military aviation and even garage door openers. Dave, this is a smudge on both your brand and, by association, ARRL. How disappointing.
See my comment.
Thank you, Dave.
A great review. N0QFT
His reviews are always great. KA4DIY
Very good review Dave. Thank you. 73 kf0gpx/ag