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I am also very interested in this - Any information Kenya87

The world of BLE 5.x is strange: Apple I believe iPhone's above 8 have to capability to scan for "Advertising Extension" - someone correct me if I am wrong (I only have a iPhone 8 on my desk for testing) iOS15.x still doesn't have Coded PHY for long range (Also it seems very hard to place permanently in the background) Setting an "Advertising Extension" with coded PHY at an interval of say 5 seconds does not eat into the battery life (tested on an Android over a 24 hr period) - well it is BLE after all... Google Pixel phones can't scan for "Advertising Extension" with Coded PHY- seems like a long running bug and its even in the newer gabeldorsche code base Most other newer Android phones can scan for "Advertising Extension" with Coded PHY Eg. phones OnePlus 7 and above, Galaxy Tab A7, Galaxy S10 and above, Xiaomi Poco X3 NFC seem to be working fine with Coded PHY scanning. Android "Adverting Extension" transmission (including Pixel) is working on all devices (well from the last 2-3 years) With this situation its impossible to write an App across platforms that can trigger our product at longer range ;-)