On my P4, the occupied bandwidth doesn't change when you select lower bitrates. That would be cool though. Lots of wasted bandwidth for a 4 Mb bitrate.
I'm loving the sunshade. It really does make a difference. My only wish is that there was a matte fabric inside to cut down reflections even more. I'm thinking of tacking some black felt inside for that reason. Should be a simple mod.
I've been leaving the iPad in the sunshade instead of...
I don't have the 9dBi to test, but it is lower gain, so that means usually a wider sweet spot. If you had to operate on a lower channel (<13) I would probably start with the 9dBi. Wider pattern and about the same gain at the lower freqs.
I always look for a good channel before I fly, using the...
This is my setup as well. I think, as mentioned, MaxxUAV can't legally recommend using the hack. But that doesn't mean it's not going to work better. Based on the VSWR of that antenna, you'll get the most out of it when using ch. 20-24. But using other channels will still be better on that...
The channel hack is only for the 2.4Ghz Band. If you don't use the channel hack, you're stuck to ch.13-20, all of which are already occupied by wifi devices. Using the hack enables more channels in the 2.4Ghz Band, outside of the wifi range.
5.8Ghz is a completely different topic.
While I haven't been able to test the vswr of the stock antennas (they get destroyed during the mod), but I know they are actually not a simple omni. They are a 3.5dBi directed omni, so they add gain, which brings the 16dBm output of the RC up to 19.5dBm in the US.
I would imagine they are a...
Only the P4P and Inspire 2 adds the 5.8 option. It has the advantage of moving your control and video downlink outside of the heavily used 2.4G wifi bands. But if you're using the channel hack, you're already able to get outside of the wifi bands. So that's less of an issue.
Another advantage...
So here's that new video I promised about measuring the various antennas. The VSWR is a complicated measurement for sure, but a few basics are:
1) Most manufacturers pass or fail their products compared to a baseline VSWR measurement of >2. Meaning if it is higher than 2 across the frequencies...
Thanks for that analysis @Shammyh! Very interesting results with the lightbridge rolling like that. Now I have to find a P4P to see what the 5.8 spectrum looks like. Do you know if it's using 20 or 40 MHz channels? I imagine there's no hack for the 5.8 band due to the requirement of DFS. Are you...
That's correct for the time being. The video downlink can be completely black while you retain control. The telemetry is sent back with the video, so you would be quite literally flying blind with no instruments. It is possible for dji to program the RC to send its red/green light status to the...
I believe the P4P uses 2.4 GHz for the control just like the P4, but sends the video stream on 5.8. This is much better as each has the entire band to itself, barring outside interference. If I can get some hands on time with a P4P I will be able to provide some more detail.
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