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John
> 3 dayI have a few of these now and this one works as advertised. If you like to tinker, this may be up your alley.
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68whiskey
> 3 dayUsing 5 of these to broadcast p25 phase 2 traffic using OP25. Works like a charm.
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horace bixby
Greater than one weekJust getting started with it but looks like a great SDR
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Zachary F.
> 3 dayWhile this SDR may work the same in terms of the firmware as other SDRs, it has a much better build quality, and I appreciate that.
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MiTreasureHunter
> 3 dayI started put with one of these using the free software SdrTrunk. After I got it working I ordered a 2nd Sdr to be even more efficient. My 2 Sdr setup with the free software is decoding more P25 transmissions then my $650 Uniden SDS100!! I Highly recommend these...cheap, easy to set up, and great entertainment. Pick up 2 if doing P25, you wont regret it!
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Sigma
> 3 dayIts very fun to scan through all the frequencies to see whats out there. Its a very good entry point into the world of SDRs! The only negative I see is that the dongle seems to get very warm after about 20 minutes of use, but doesnt seem to actually overheat or get much warmer once its up to temperature. This may be by design, but I wouldnt leave it plugged in overnight or anything.
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MW
09-06-2025Really great SDR for the price. If youre familiar with this type of SDR, youll know its pretty much an accident that these things work perfectly for this application. I really like NooElecs enclosure. Its very sturdy and holds up great. The chip quality is fantastic as well, and I have not had any frequency drift or tuning issues. One really important tip that I highly recommend: Keep it cool. It runs pretty hot. Not hot enough to really decrease its lifespan, but I measured it at around 110 degrees F when set at maximum gain. This temperature increase does add a lot of noise, so if you can keep it cool, you can save yourself a lot of trouble trying to find weaker signals. If you dont need it to be portable, say youre using it with a desktop, find something metal and use some CPU thermal compound to stick it to it. It does the job perfectly, and the temps lowered to around 90 degrees at peak. I stuck it to the steel case of a battery backup I have my computer hooked up to. I just put a drop of thermal compound between the enclosure and the metal of the battery backups case. Then I taped it on with some strong masking tape so it wouldnt come off. Works like a charm.
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Anon
> 3 dayI am using 2 of these on a Raspberry Pi 4 running PiOS and it is working really well. I set it up with a group and no one had issues with this version of SDR. Would be nice if it came with some cheap starter antennas but I suppose people would complain then about not having the option to buy separate.
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Mr. Jackson Stoltenberg I
> 3 dayThis is exactly as described. I have two of the common silver ones and one is off by 500 PPM, the other by a bit more than that. However, this NESDR is spot-on on the tuning, as promised, and the signal from it is clear and strong. Very pleased with the purchase. I have used it under Windows 10 (use the zadig.exe utility from SDRSharp to set the correct drivers) and Ive used it on Raspbian Linux on a Raspberry Pi 3a+ to run trunk-recorder and liquidsoap streaming the local P25 trunked radio traffic to Broadcastify as a source. I can only get one dongle to work at a time on the Raspberry Pi before the USB bus is saturated (my assumption), but it locks up when I plug in a second silver website branded RTL-SDR along with this one (even after assigning unique serial numbers to each). Luckily everything fits within a 2.4 Mhz band, so I only need one, but Im limited to three simultaneous recordings, when there are five data channels in my system. So I would like to run two dongles and separate the tasks, but thats not possible with my setup. I will try a Raspberry Pi 4, and maybe some other mini computer options in the future. But for now its working. Well built, I havent had any cooling issues, but I have a fan cooled case for the Rasberry Pi and set the dongle next to the case where there is airflow (its on a short usb extension cord). I also have a cheap 800mhz SMA antenna, nothing fancy. Its 15 feet cord length and I placed it in the attic by drilling a hole in the ceiling. I get great reception and clear audio from the scanner.
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ken
Greater than one weekLooked like it was used and was wrong version. Spend money on SDRPlay