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FrSkyRC / RF_Feedback_Group

Regarding to the RF issues.
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RSSI value with RX8R-PRO ACCST V2 #54

Open aviat40 opened 1 month ago

aviat40 commented 1 month ago

Hello,

With ETHOS on X20 / X20S / X10S / X12, tested on FCC or LBT, on ETHOS and OTX, the RSSI value is very low. Even if both are closed ( 20cm ), the value is about 80 and very fluctuating.

In flight, the value drop below 35 and there is warning all the time. RX et TX are updated. I have changed from internal to external antenna.. same issue. And also new antennas on the RX.

Both RX and TX has been removed from the A/C to test in a free environment.

I wondered if it is a Bug between the ISRM module

Thanks to help

BR Thierry

SmartTommy commented 1 month ago

Hi，do you have anther ACCST V2 Receiver? could you conduct a comparative test using different receivers?

aviat40 commented 1 month ago

Hi, Tested at the same place with a SR6 latest firmware FCC... RSSI is OK Tested with a second RX8R-PRO 2.1.11 FCC still same place ... RSSI drop

The problem is clearly in the RX8R-PRO firmware

If you need more test. I can make a video and send via discord or any other PM.

Thierry

SmartTommy commented 1 month ago

Do you have another RX8R-Pro receiver? could you conduct a comparative test using this two RX8R-Pro receivers? I infer that there is a hardware malfunction with your receiver， we can verify this speculation if you have two RX8R-Pro receivers

aviat40 commented 1 month ago

Hi As I said in my previous message, i have tested with a second RX8R-PRO and it is the same. So it is not a hardware malfunction.

KAID-YANG commented 1 month ago

Hello，This situation is normal and does not affect the range. If you're concerned about the range, it's recommended to use Archer Plus, TD, or TW series receivers.

aviat40 commented 1 month ago

Do you mean that I should not believe in the RSSI value and I should try to fly if there is a range issue ? Are you serious !!! In this case, send me an RF aircraft and I will test for you. I already change the RX with and Archer One but I have 2 of RX8R-PRO RX that I should be able to use