So far, it's been running about 5 hours with plenty of usage and no problems.
I'll test for the next few days, and if we can confirm this solved the issue, I suggest we make recommendations in documentation and manuals for adding a ferrite to prevent RFI and use of a metal enclosure for the computer.
This was failing on my RPI 4b which effectively had a metal enclosure thanks to a thick metal heat dissipation case, so the Ferrite filter might be needed in any case.
Note that I've been running the hotspot at 1 watt.
Update 21st Feb
Re: Update 21st Feb
You may have already answered this question, but ..kd2lh wrote: ↑Tue Feb 25, 2020 2:08 amSo far, it's been running about 5 hours with plenty of usage and no problems.
I'll test for the next few days, and if we can confirm this solved the issue, I suggest we make recommendations in documentation and manuals for adding a ferrite to prevent RFI and use of a metal enclosure for the computer.
This was failing on my RPI 4b which effectively had a metal enclosure thanks to a thick metal heat dissipation case, so the Ferrite filter might be needed in any case.
Note that I've been running the hotspot at 1 watt.
Are you using the antenna on the top of the radio or connecting to an external antenna?
Re: Update 21st Feb
I noticed this problem when I had the original antenna connected to the walkie directly. It has never happened to me with an outdoor antenna. And I also noticed that it is more unstable in UHF than in VHF.
It is definitely an RF issue. The programming cables are not shielded. One would have to make a good one. The Raspberry should be in a metal case. and the radio should also be shielded. And done, remove the battery and charger and put in a power supply.
It is definitely an RF issue. The programming cables are not shielded. One would have to make a good one. The Raspberry should be in a metal case. and the radio should also be shielded. And done, remove the battery and charger and put in a power supply.
Re: Update 21st Feb
I am using the radio with the antenna that ships with it mounted on the radio, not a remote antenna.
Marc
Marc