Welcome aboard… I read real,real slow… 
But here is a GREAT thread with a happy ending,
How a company had in it’s Literature "LONG RANGE BLE supported" One very talented fellow realized it was more marketing than FACT. He needed it for his own DEVICE, He was able to help them add the support to their product for everyone to use.
He got a Grant from the “National Academy of Medicine” his product is pictured.
BLE 5 Long Range (Coded Phy, 125 kbps) mode. How to engage?
Some companies would benefit heeding this story, Just saying 
GL 
PJ
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spoiler alert They are using this chip.Laird PN 451-00001
Very Robust for Roll your own PCB’s… With CODED PHY 125KB Long Range
