The LARGEST BaoFeng Handheld Transceiver UV-25
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- Опубліковано 2 лип 2024
- Here we take a look at what is most likely the LARGEST handheld transceiver that is manufactured by BaoFeng, the UV-25.
UV-25 Product Page:
www.banggood.com/custlink/Kv3...
Code:BGc2ac0a
Code price:$44.99
Exp:5/31
Bluetooth Speaker/Mic
www.banggood.com/custlink/Dmm...
Code:BG58575f
Code price:$25.99
Exp:5/31
AliExpress UV-25
s.click.aliexpress.com/e/_mOm...
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In a german video they measured a similar radio (some Quensheng one) directly connect to the spectrum analyzer. And there it didn't meet the specs of the BNetzA (simular to FCC or OFCOM). However, with the included antenna mounted and measured through radio -> included antenna -> air -> reception-antenna -> spectrum analyzer it DID fulfill the specs. To me this means that they designed the antenna to be part of their filter design.
Absolutely spot on with your comments. The harmonic and spurious signal tests should be preformed using a test jig for the hand portable radio fitted with the intended aerial, then at a set distance using a spectrum analyser connected to a wide band aerial, this is how the test houses do it. Connecting the hand portable through RF power attenuators directly to the spectrum analyser is not the correct method.
@@RadioTech7388Yep. This is a poor test method and isn’t recognised anywhere I can find as you describe. It’s certainly not an approved test method for FCC testing - as you say they use a tightly defined RF test - not just plugging a radio directly in to a £30 spectrum analyser.
I admit that my test method is a direct connection via an attenuator to a TinySA Ultra. Although this does provide a "picture" of the emissions, it's definitely not lab scale. However, my "base line" for these tests are from testing other radios made by well known manufactures, like Yaesu and Icom. None of these top tier radios have ANY spurious emissions that are to the level we see from cheap Baofengs. I think in future I will show any base lines of my tests. Cheers!
@@TechMindsOfficial I think that’s fair mate. I’ve started making reviews myself so I know it’s not easy - a lot tricker than I ever imagined certainly.
Inside the antenna there's another very flexible antenna like a signal stick.. And there are two versions, the UV-25 and the UV-25 Pro Max with airband and scramble option.
I have Baofeng AR152, which is
quite large too, looking a bit like
a Military tactical radio. 😊
Thanks for the video!
The UV-25 really does look a chonky bugger. Minor aesthetic point: Why on earth BaoFeng go for fake screws that are clearly part of the speaker face plate? I've honestly not seen that outside of children's toys!
Shame about the bluetooth speaker/mic, that really is quite poor quality. Ironically the BangGood link has a product picture that says "Clear Volce" (yes, "voice" with an "L"), so I guess _legally_ they could wriggle out of that claim 😂
To fix the harmonic you just need a lowpass filter. to cut-off all the frequencies above the fundamentals harmonic. Really simple fix TBH.
True, but this is supposed to be a "black box" solution, not a homebrew kit.
And when is the last time you saw someone walking around with a HT with low pass filter stuck on the top. My guess is never. The radio is just another piece of Chinese junk. They are so cheaply made they can't even afford to put the filter in the radio. In the US the FCC needs to start severely fining companies that import them. If they can't even pass a simple FCC compliance test they should be banned PERIOD.
My thought too. 😊
I wouldn't call having to spend more money on a filter and then having to turn the entire radio into an even more ginormous monstrosity a simple fix
Hmm not good. How do these bad harmonics compare with the Quansheng uv-k5 on 2 and 70cm ?
I'm really gkad you made rhe video so that nire people know about the emissions and keeping brief just makes that message eceb clearer so thanks!
Baofeng seems to always make radios that are close...but just fall short in an area or two. I've wanted a larger radio for a long time. Playing with teenie tiny buttons can get tiresome, and a bigger speaker and battery are nice to have. This radio, with a cleaned up transmitter, less silly antenna, and some cleaned up style Q's like the orange PTT and weirdly silver speaker grill could be made to be a decent radio. Maybe version 2 will be better.
Good to know these things. Thanks m8. 🙂
Definite 1980's Nokia Mobira Cityman vibe....
You need to use antenna to test Harmonics,
the Resonant antenna will kill 2nd Harmonic.
That radio looks like it was designed specifically for airsoft/paintball enthusiasts...
Yes it’s an absolute LARP.
King Baofeng 👑
Thanks! I was hot for one until I saw that spectrum. More landfill!
Which is interesting since China has stopped accepting waste from other countries but is only too happy to export theirs.
Larger radios are needed for some like myself who have Larger hands and issues such as Tremors. Easier to hold and operate. Sad that they won't fix their emission issues on the bands
The spurious emissions may be deliberate to allow the radio to reach the fabled 10 watts? The emissions only seem a problem on 2m where the power is 9w, but lower on other frequencies with lower emissions?
Don't think so as I always test with the radio set to the lowest power output.
Well is does put out 9W on 440MHz. You just have to be tuned to 220Mhz 😂
I wish you had tested the emissions on 223.500. 73, W8BT
I’ll do it on my video, it’s going up in a few days. This is a good review as always but there’s a bit more to note about this handset.
@@robustreviews thanks! 73 W8BT
This radio is big for those who are looking to compensate for their small "Tools".
I have seen other videos with regards to this radio which has been checked and everyone else say's runs perfectly well and is on frequency ???
What do you expect it's from China there's cheap filtering if you want a good handheld then buy the Kenwood f6a HT the Kenwood f6a not only that it has two meters in 70 cm 220 megahertz plus HF capabilities that receives upper and lower sideband so why would I want to waste my money buying a bullfight UV 25 you want to buy cheap then expect cheap just go out and spend the money and get a half decent handheld that really works thank you for the video
What is the max range of the radio
Hi, I don't understand much English, but it clears my doubts, on the website where I'm looking to buy there are 3 ads, one for the normal uv-25 version says it has 5-10w for 40 dollars, and another ad for the uv-25 L and pro version It says it has 15-25w for 60 dollars. And all the same buy the cheapest uv-25 for 40 dollars? or the versatile L and pro and even higher? And in the test, how many watts of maximum power did it give? The ad says 15-25w. Is it true or false propaganda, they all have 10w maximum:?
Without seeing the circuit, I'd guess the radio is using a single RF amplifier that is tuned to the 2m band and does not have any low-pass filters. Frequencies above and below the 2m band won't be amplified as much, and accordingly, the harmonics are not amplified as much, which makes it legal on those frequencies by sheer laziness 👎
Eu gostei muito desse rádio mesmo sendo grande e pesado. Tenho alguns vídeos rápidos demonstrando suas funcionalidades no meu canal.
Why don't they fix it? Because they are clearly selling enough radios without fixing it, and because the US, UK, and EU have not yet banned them for bad radios.
It's good that Chirp isn't for the birds, unless it affects the CW
signal. 😮
if they add more filters then the radio will cost you more
True, about 50 to 75 cents.
@@mikesradiorepair thats way Many stuf from China create lots of Noise power adapters ect powerline
Because they reduse cost.
EMC
It would cost more by having to hire actual engineers design the radio 😉
10 watts on 145 mhz. 1 watt harmonic on 290 mhz ... oh dear. lol
Excellent video! I agree, simple problem to fix, but don't? really informative. 73's WA2TWF
Does the antenna do Colonoscopies?😮
Does anyone make a decent Bluetooth speaker Mic?
Thanks for the Heads-Up on this. Definitely NOT one to buy....
Not even gifted with the attribute of dirt cheap like the UV5R (not that I use mine either ).
Thanks for your trouble on that crap radio.
I haven't seen those sold here, not that I would want one.
More awful junk that just looks as bad as it performs.
What is with that silver sewer vent style attachment on the speaker?
If the manufacturer put some effort into harmonic suppression and less time making ridiculous toy looking bling with over bright LED's, they might just have a decent saleable product.