5W uSDX 8-Band HF QRP SDR SSB/CW Transceiver

5W 8-Band HF QRP SDR SSB/CW Transceiver

Product Link:

Code:BG9285df
Code price:$137.99
Exp:3/31

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[skysurferboy]

Receive audio was actually quite decent. Would be interested to see an A to B comparison with another HF radio on RX.

[MakeDoAndMend]

Hi matey. I have produced a video how to get the external microphone to work. It's in my playlist. It's a matter of swopping a couple of wires over inside microphone. Cheers from old George PS I don't think it's for cat control but firmware update only.

[PhilRookemusic-educator]

Great video thanks - I just ordered one of these - $27 AUD. I thought to myself, "I've got nothing to lose for $27" but your video has given me great confidence to experiment with TX audio and see what it can do. As you said - a great little radio to put in the backpack with a simple long wire and you can throw it in a tree and try for a few contacts.

[pauls]

How big is the battery, how much current does it require to operate, what was the non distorting power output on each band, how much does it weigh, and the all important qu - what is the chance that the one I buy will be anything like the one you bought?

[LouiseBrooksBob]

I would love to know how well it works with CW. I would like to hear how the CW filtering works.

[DavidLopez-bzrj]

No 160 meters, doesnt have filters...
Pa Bias Min = 0
Tx drive at least 4 with internal mic.
Pa Bias Max depends on voltage on Irf510, never over 2.7.
Use the best SWR, or power will go down.
UART works with TTL, program firmware with USBisp oR USBasp or Arduino programmer.
I/Q can be taken from chip to use it as an SDR

[-bm]

Please let me know how the CAT control and digital modes work if you get tested! I have this radio and want to do digital modes with it and not sure how to get working. Thanks for the video!

[TheFretman]

Nice review. I do a lot of FT8 and the trouble you had getting CAT commands to work would scare me away from the radio.

[Centar]

I have it, works perfect for digital modes and CW but the TX voice quality suffers on SSB from distortion. Audio from speaker is good. I use it for FT8 and JS8CALL and have made hundreds of contacts up to 7000 kms away with nothing more than a random wire and tuner. Backlight off option doesn't work (backlight always on) and there is no charge or battery level indicators and the included mic is garbage. Battery life is long (big battery). You can select 160 and 6 meters but they don't work. There is 9 working bands not 8. Power is best on 40 and 20 meters (10 watts) and it doesn't get warm. It does get warm on frequencies higher than 14 mhz and power output drops significantly.

[frankiekayak]

Great Vid. Just curious... Did you change the volume to 11 for a particular reason other than to make it louder? Such as a nod to something in the past?

[digitalmediafan]

Not bad but shame it doesn't have AM mode. A few AM nets out there on 80m including even the RSGB news plus 10m AM activity which is getting busy now...

[richardkitchen]

I have three Questions  
1. Is there a manual available?
2. How do you know when the internal battery needs to be charge?
3. When transmitting what does a high frequency tone in the speaker me?

[CCoburn]

As of 9 Oct 23, these things cost $35. Given the world situation, every ham should have a portable HF transceiver. This one is worth having for your bugout bag. Thanks for the video.

[psychodadsn]

Nice! I'm really curious how clean the transmit signal is and how cheap or good the internal parts are. Great video as always. 73 N2SCD

[randyabgo]

It has better audio than many of the Chinese clones out there.

[Tamlin]

Hi, i own 2 of them, the ones i have are from 80m to 6m 160m just make noises.. i can also transmit on 11m :) Best regards from Norway

[Randrew]

Matt, do I need to send you a QRP-Labs QDX Digital Transceiver to test on HF digital modes? Not kidding, I've got a couple extras and I could sure send you one.

[dejdej]

Where do one find a user manual for those transceivers?

[Nacho.]

please try to find a good combination with this

[AlienCatcher]

So now in mid 2024 are these brick versions the best ones or the red corner ones?