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Nov 10, 2017, 05:14 AM
Racer.Lt Owner
Frimen's Avatar

AchilleΣ 2.0 firmare on Realacc RX5808 PRO PLUS Diversity Receiver

Yes its so easy, but yeat, many people are asking for this process

AchilleΣ 2.0 Realacc RX5808 PRO PLUS upgrade Diversity Receiver (2 min 32 sec)

Great cheap module for Fatshark or alike goggles.
The pro version has USB and Beeper, now its much easier to upgrade firmware on this module.

RX5808 PRO Module:
Plastic Cover:
Carbon Fiber alike cover:

P.S. You can connect this module to any screen/goggles with video IN and 5v!

AchilleΣ 2.0 works great with this unit.
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Nov 10, 2017, 06:59 AM
Registered User
I am doing upgrade of my RX5808 split exactly as you, but firmware works with bugs:
1. calibration doesn't detect nothing
2. Some freezes of screen are persists.
Nov 10, 2017, 07:32 AM
Racer.Lt Owner
Frimen's Avatar
Already upgraded all what i have, all works great, but i have all pro plus versions.
how do you do calibration?
turn off vtx, turn on calibration, turn on vtx
i prefer doing it in 3-5 meters away from vtx (drone), first without antennas second with specific antennas for specific copter (long range one calibration, short rang other)
you can see calibration difference in this video.
one is calibrated other was not calibrated for that 4s (with osd) setup antennas
the calibrated one worked great even in second hangar thrue several walls.

Micro 130mm 3" - 4S Race Drone (8 min 11 sec)
Nov 10, 2017, 02:23 PM
Registered User
How fast after turn on calibration I should turn on vtx?
Nov 11, 2017, 04:10 AM
Racer.Lt Owner
Frimen's Avatar
I usually do it after one cycle of scan

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