FrSky R9M - Super 8 900Mhz vs Super 8 868MHz EU - Antenna - Flex Firmware 868MHz

In this Video i compare the first batch of the FrSky Super 8 (900Mhz) Antenna ( https://www.banggood.com/Original-FrS... ) on my FrSky R9M ( https://www.banggood.com/FrSky-R9M-90... ) with the latest Flex Firmware on 868MHz against the Super 8 868Mhz EU Version (with the yellow marker) https://www.banggood.com/Original-FrS...
In view of the rssi value in my osd, the Super 8 868MHz isn't really better than the Super 8 900MHz Antenna. What do you think about my test?

OpenTx 2.2.3 on my Taranis, Flex Firmware 181109 on Tx and Rx - 868Mhz Adaptive Mode - TBS Immortal T Rx Antenna - vertical alignment -
Betaflight 3.5.3 IMUF 1.1.0 Starbuck Fully Unleashed -

- Recommended FrSky R9M Upgrade: - -
Upgrade R9M Antenna:
FrSky Super 8 900MHz https://goo.gl/s5XHH2 - Super 8 868MHz EU https://goo.gl/gJH7Td
TBS Diamond https://amzn.to/2S4vnJ3
TrueMox 868MHz https://amzn.to/2CCNhOD - TrueMox 915MHz https://amzn.to/2FFLGuH
SMA to RP-SMA Adapter (For TBS Diamond and True Mox) https://goo.gl/GMxQm7

Upgrade Receiver Antenna: (Ipex4 for R9Mini/R9MM, Ipex1 for R9 Slim/Slim+)
FrSky Dipole T 868MHz EU Ipex4 https://goo.gl/2oNij7 - Ipex 1 https://goo.gl/X4fLF7
FrSky Dipole T 915MHz FCC Ipex4 https://goo.gl/vYSFMj - Ipex1 https://goo.gl/jQgGvJ
TBS Immortal T https://amzn.to/2S4vnJ3
Ipex4 to Ipex1 Adapter (for TBS Immportal T) https://goo.gl/327Kta

R9M + Upgrade Antennas from horusrc -
FrSky R9M Best Combo - https://www.horusrc.com/en/frsky-r9m-...
FrSky Super 8 - https://www.horusrc.com/en/frsky-900m...
FrSky Dipole T Ipex1 - https://www.horusrc.com/en/frsky-900m...
FrSky Dipole T Ipex4 - https://www.horusrc.com/en/frsky-900m...

- My FPV Quad: - -
Frame: - Armattan Rooster - https://amzn.to/2NOuEuf - Alternativ: - PUDA Rooster 230 - https://www.banggood.com/PUDA-Rooster...
Flight Controller: - HelioRC Spring F4 FC Butterflight - https://amzn.to/2zyALzP Alternativ: - DalRC F722 - https://www.banggood.com/DALRC-F722-D...
Motors: - T-Motor F40 Pro II 2306 2400KV - https://www.banggood.com/T-motor-F40-...
ESC: - DALRC ENGINE 40A Blheli_32 https://www.banggood.com/DALRC-ENGINE...
FPV Camera: Foxeer Monster Mini Pro 1.8 - https://www.banggood.com/Foxeer-Monst...
Video Transmitter: - Unify Pro HV - https://amzn.to/2CQBOMf Alternativ: - ImmersionRC Tramp HV - https://www.banggood.com/ImmersionRC-...
VTX Antenna: - Foxeer 5.8G FPV Antenna (SMA) http://www.banggood.com/Foxeer-5_8G-3...
RC Receiver: - Frsky R9 MM - https://www.banggood.com/Frsky-R9-MM-...
Propellers: - Dalprop Cyclone 5040 - https://www.banggood.com/2-Pairs-Dalp...
Battery: - Tattu R-Line HV 1550mAh 100C 4S https://www.banggood.com/Gens-Tattu-R...

- Transmitter: - -
FrSky ACCST Taranis X9D PLUS - https://goo.gl/tMRVJD
with M9 Hall Sensor Gimbals - https://goo.gl/xmFLvM
with 3D Stick Ends - https://goo.gl/hpAQNS
with R9M 900MHz Long Range Module - https://goo.gl/ebqDST
with Super 8 - https://goo.gl/btbijW

- GPS Module: - -
BN-180 GPS - https://goo.gl/ybB45z

- Action Cam: - -
Xiaomi Yi 23L + Superview Script - https://amzn.to/2BfzVqD

- Video Editor: - -
Magix Video Pro X - https://amzn.to/2ulKNiI