What is this strange OSCILLATION and NOISE on my FPV DRONE?00:00

At two points during this flight (0:40 and 1:02), there is a strange oscillation and noise. Does anyone have an idea of what the cause/solution for this is? Specs for build below.

Long Range (7″):
iFlight XL7 v4
iFlight 2814 1100kv
HQ 7x4x3 Props
iFlight Succex-E Mini F4 FC & ESC (2-6S)
Foxeer Falkor Mini
TBS Unify Pro32 HV
iFlight 150mm Long Range Antenna
FrSky R9 Mini Receiver
Ovonic 1550mah 100C 6S LiPos
JHE42B_S Finder Beeper

BMC3d Printed Parts
GPS/SMA Atenna Mount
GoPro Mount
Immortal T Mount


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