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Reviews with images
Decent performing little splitter/divider
I used a tinysa signal generator and an SDR to do some basic testing with this wilkinson divider and another very inexpensive resistive splitter that I found on Amazon. My primary interest is in the 700-900mhz range - I was looking for something to connect a couple of SDRs to a single antenna for a project. I tested each splitter/divider at 100/250/500/750/800/850/1000/1250/1500mhz and graphed the results.This item did not perform well below 500mhz during testing. The loss at at the advertised 100mhz floor was 24.4db. Loss ranged from -2.1db @ 800mhz to -26.5db @ 250mhz. I would not purchase/use this item if your application is below 500mhz. I was not able to test any higher than 1.5ghz.This seems to be perfect for splitting the 700-900mhz range that I need to work in for digital trunking. I highly recommend this divider if you are looking for a splitter for this range/this reason. I saw no real issues with the solder/workmanship, but this is definately something that I would use in-line and probably not screw an antenna directly into unless I 3d printed a case for it.This is the one I went with after testing.
Top reviews from the United States
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Reviewed in the United States on April 21, 2024
I used a tinysa signal generator and an SDR to do some basic testing with this wilkinson divider and another very inexpensive resistive splitter that I found on Amazon. My primary interest is in the 700-900mhz range - I was looking for something to connect a couple of SDRs to a single antenna for a project. I tested each splitter/divider at 100/250/500/750/800/850/1000/1250/1500mhz and graphed the results.
This item did not perform well below 500mhz during testing. The loss at at the advertised 100mhz floor was 24.4db. Loss ranged from -2.1db @ 800mhz to -26.5db @ 250mhz. I would not purchase/use this item if your application is below 500mhz. I was not able to test any higher than 1.5ghz.
This seems to be perfect for splitting the 700-900mhz range that I need to work in for digital trunking. I highly recommend this divider if you are looking for a splitter for this range/this reason. I saw no real issues with the solder/workmanship, but this is definately something that I would use in-line and probably not screw an antenna directly into unless I 3d printed a case for it.
This is the one I went with after testing.
This item did not perform well below 500mhz during testing. The loss at at the advertised 100mhz floor was 24.4db. Loss ranged from -2.1db @ 800mhz to -26.5db @ 250mhz. I would not purchase/use this item if your application is below 500mhz. I was not able to test any higher than 1.5ghz.
This seems to be perfect for splitting the 700-900mhz range that I need to work in for digital trunking. I highly recommend this divider if you are looking for a splitter for this range/this reason. I saw no real issues with the solder/workmanship, but this is definately something that I would use in-line and probably not screw an antenna directly into unless I 3d printed a case for it.
This is the one I went with after testing.
Images in this review
Reviewed in the United States on November 29, 2023
Reviewed in the United States on September 20, 2020
Reviewed in the United States on July 6, 2023
All of that indicates, as others say, that the intent is to use transmission line behavior to do the splitting. But that could only work at a single frequency, not a broadband as advertised.
Beyond that the back side ground connections are not even soldered, and on the top the soldering job is a bit sloppy, and the flux has not been cleaned off. See my attached photos. The photo on the product page shows gold plating on the traces, but the real thing appears to be tin-plated.
All in all... not a great product. I'm going to unsolder the SMA connectors and use them!
hand-soldered, flux not removed, not a wideband power splitter.
Reviewed in the United States on July 6, 2023
If you do DC calculations on what the resistance looking into the input would be, it's not 50 Ohms, but 25 Ohms. So that is not a good match to a 50 Ohm source. The resistor on the board does nothing at DC, as it is shorted out.Reviewed in the United States on July 6, 2023
All of that indicates, as others say, that the intent is to use transmission line behavior to do the splitting. But that could only work at a single frequency, not a broadband as advertised.
Beyond that the back side ground connections are not even soldered, and on the top the soldering job is a bit sloppy, and the flux has not been cleaned off. See my attached photos. The photo on the product page shows gold plating on the traces, but the real thing appears to be tin-plated.
All in all... not a great product. I'm going to unsolder the SMA connectors and use them!
Images in this review
Reviewed in the United States on October 6, 2020
Reviewed in the United States on October 16, 2023
Reviewed in the United States on August 23, 2020
Was barely soldered together. The entire PCB-mounted SMA connector came right off when I tried to remove the cover.
Images in this review
