uSDR+ HF Transceiver - Making Contacts Straight Out of the Box 

I am 1000x more psyched about getting this radio. Only thing anywhere NEAR my price range. Also going to get a CW key for it

A lot of people complain about these radios, but not everyone can afford an expensive radio - these let, so many new people get into HF - all you need is this cheap radio and a resonant antenna (I use an end fed with an equally cheap ATU with mine). Even the digi kit is coming down in price now of rthose wanting to work digi modes. It's also perfect for those on foundation licenses that aren't allowed to use much power anyways.

I just got my Technicians and bought this transceiver, nice to know it's a decent one

Well done. I like your little radio reviews....very helpful.

Thanks Walt…another radio in the way! HI. QRP is so satisfying! You have a very good channel, well done.

Lord help us. You have done it again, another radio. Always good to have a moment with you. You make my day.

I was on 20 Meters and I heard you make the contact with S51DX on 14240. I live just east of Richmond, VA. I too have ordered this same radio and it should arrive today!

That is awesome you got a QSO in Cuba. Glad their signal made it out.

Hey Walt! Thanks for this video. I got one with a battery from china, and so far so good. My plan is to combine it with the AT 100M, and a Micro pa50 for for a tiny 50w rig, or a qrp rig with that doesn't need an external battery. Keep up the good work! I use a "tactical" headset with mine because I am losing my hearing, and the little microphone is tough to pick out call signs. It is a tac sky comtac II with the baofeng ptt connector. Much easier to pick out signals, and the microphone works great. Looks dorky, but I am not a slave to fashion.

Very useful post. Thank you.

Really interesting - whilst not 'throw-away' - its a cheaper radio and safer to use in places I wouldnt use my IC705 in. Seeing it work that well out the box, very much a radio that people should be looking at - and its good you demonstrated the antenna and mounting. Great video ! 73 2E0FWE

Thx for the video Walt.. Imma gunna get one of those radios next to play with.. thanks for sharing.. PS I also enjoyed you show with CAHR on Sunday.. nice job.. k0klb

Thanks for posting. I've been looking at these to get back into 20M hf DXING. Worked the world on a SGC2000 and Yaesu FT891 (spoiled by 100W) but this looks to be a minimalist blast.

I saw you on Coffee And Ham Radio and I hope they have you again soon. Keep up the great work. New Sub. KO4HPC T.N. 73

Janez in Slovenia has the Big Ears. He's the perfect Guy for asking for Signal Report. Good job Uncle Walter 💯🙋‍♂

Very interesting !

Im looking into getting one of those in the next few days and its cheaper to buy without the internal battery, i have a HF radio on long loan at the moment and with the size of that SDR HF radio it will fit in perfectly with my QYT KT-8900 2m/70cm radio.. I had a HF-360 antenna, because i live by the sea the joins eneded up corroded and it fell apart, now i use a silverrod CB antenna without the loading coil for my HF work and it works really really well as its just slightly longer than the HF-360.. Thank you for your video.. M6EVD..

If this transmitted at 10 watts with 12v battery this would be an awesome QRP radio.

I am thinking about getting one as a backup for my go bag. Good video 👍 73 KV5P

Amazing qrp Radio. 7351

Hi, im thinking of getting one of these radios, only for the CW its a built in decoder on it, you can also get both a antenna tuner and a amplifier for this now :) by the way, i own a Yaesu ft 897d so i am just interested in the CW function on the usdx for training purposes, i also got an President Lincoln 2+ and a Kenwood th f7e ... its just that i love tiny radios 😂 73 from Norway.

Да интересный трансивер, мне достался с кривой прошивкой и не очень хорошим синтезатором MS5351 после замены синтезатора и перепрошивки с хит хаба версией 1.01Х всё заработало лучше, привлекает конечно дешевизна, открытый код прошивки, поэтому покупается ещё какой-то вариант я купил у разработчиков из Германии примерно такая же конструкция но с закрытым кодом. Но если суммировать затраты это уже половина трансивера TX-500 компании Lab599 который сделан просто супер особенно если его брать с собой за город, достоинство этого его малогабаритность, фактически карманный. Но если нет надобности в карманном, то лучше заплатить 1000 долларов это не такая большая сумма и купить TX-500. Но с точки зрения прикоснуться к радиоприёму, да идеальный вариант, особенно тренировочный режим на ключе. Спасибо, не знал что есть такая функция, просто только вчера перепрошил трансивер на новую прошивку.

Hi there, could you please confirm if this model has the function knob properly oriented with down/up properly mapped to counterclockwise/clockwise? And does it have an SWR meter? Have you measured the TX power on the higher bands like at 10m? Thanks a lot!

Hi Walt I'm 70 years old and just decided to get my Tech ticket. Piece of cake-I have 60 years experience with radio. I'm thinking of getting the usdx+ v2 since I like the idea of QRP portability and will be moving up to general a while after I get my ticket. Any advice? 73 Ron

Hi, thanks for the review! Have you figured out the jacks? REAR PANEL I guess you plugged in the spkr/mic where it says "KJ", whatever that means 🙂 Then a simple 3.5mm cable to connect CAT jack to the rig. But then for the same jack, it says PTT OUT, to key an amplifier? Can't be both, can it? FRONT PANEL Has "HP" -- so that is for headphone only, no mic? A duplicate of the larger of the two KJ jacks on the rear? Also on the front is KEY/MIC. KEY is for a Morse key? And MIC is a duplicate of the smaller of the two KJ jacks on the rear? But it can't be both at the same time? Very confusing (to me anyway). Any advice appreciated!

I suspect much of the bad reviews are folks trying to get a $115 +/- radio to work like a $1000 radio

2:15 I think one could work Janez with a paperclip and a 9V battery. 🙂

I have one of these it came with no Arial can you tell me where to get one enjoyed your Video

Lots of fun. Bill WT9L

Walt - took DL2MAN's (tr)uSDX unit to Melbourne, AUS and immediately realized that it did NOT support 10m and 15m. Guess what is hot in Melbourne - 10m. The classic (tr)uSDX only supports 80,60,40,30 and 20m. 20m and 40m were poor in Melbourne. Which supplier did you buy your uSDX+ from? I'm looking at ebay and would like to determine a supplier. Also - how do you compare the wattage output between the (tr)uSDX and uSDX+ ? I think I was getting almost 5-6 watts from only 12v with the (tr)uSDX on 20m in Melbourne. Would try the uSDX+ if it's even close in output to the (tr)uSDX. Greg - AC1NY

interesting - had posted a comment previously, but it failed to show up here... anyway, did your rig also have the encoder running backwards? as i had mentioned before, there is a fix via an updated .ino file (usdx_22020511_102wA4.ino), which also improves transmitted audio - these are my favorite variants, but i wish sellers would be honest and not show the better versions with the blue lcd and black screws in their ebay ads

Hyou bought it from a US supplier? Do you have a link? I have the (tr)uSDX, but really miss not having the 17 & 15 meter coverage... De WB2VUO here near Buffalo, NY

Would you think of this as a reasonable beginner HF radio. My goal is a G90. This might be a good transition and help me get used to HF

Can you hook this radio, with battery, up to an external power source or do you have to order the radio without the battery?

Hello , COASTAL WAVES & WIRES . Have you yet try Digital Mode yet? If I used PTT in the menu would that be what I need with a AUX to Radio to PC ?

Do you know the model to that baofang mic you used? I'm debating getting one cause the included speakermic in my unit wasn't very good lol

What makes this a + over the ones that are not + (plus)?

Nice Video. I also bought the USDX + transceiver. But I have a problem. The SSB Modulation is really bad. I can't use it. I tried a reset and put the TX Drive Audio to 2. But it does not work. Do you have a solution for it? 73 DL1SFI

How is this device performing in higher frequencies such as 21 MHz, 28 Mhz?

Walt what is the cheapest uhf vhf hf all band radio that you would recommend I want a all in one package but don't want to break the bank with it either 😂

Just got one but no instructions for CAT connections.

It's a shame it doesn't do FM out of the box, 10M 29.6fm is coming alive.

Do you have to have a license to talk on this radio

Where to buy the antenna? I'm from Indonesia 1:22

Nice video. I had an earlier version that stopped working after about a month (probably voltage regulator) but I had fun with it and made some good contacts. Maybe I'll give this newer version a try. 73 Ron ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-o4i7JWiVibw.html

Hi Walt, hope your well my friend. This video really made me sit up straight, out of the box 5w working dx, you got to be kidding me, wow. I am well impressed. Iam not up to speed about the background Of these small radios apart from what I see on your videos. Presume there are simple cheap units for qrp, are there from China only, where can you buy them, is it best to buy one with a built in battery or not, how do there work on cw, any cw/ssb filters. I am really tempted to get one and give it a try. Anyway Walt thanks for your time making these videos, I look forward to seeing more info on these small radios. Take my friend, best wishes from down under. Zl3xdj. Brian.

Could you make a full video of just making contacts on this little thing? Just got it for Christmas and want to see more!