I'm using a HM-10 BLE module with an Arduino for my project and I really need more range. I have read that on the new Bluetooth 5 spec you can decrease the datarate to get more range, is this possible to do on Bluetooth 4.0 as well?
I really need to get a stable connection about 5-6 meters but it's through concrete and some steel beams. I know this is far from ideal. My connection right now is unstable at +-90 RSSI and I'd only need to get it a little better.
If it's possible to use a Bluetooth 5 module for better range I would consider that as well but it seems that either way I'm still limited to the transmitting power of the iPad which I am going to connect to the HM-10.
Datasheet for HM-10: https://drive.google.com/file/d/1XJQznN6fPFQqAoTVqZh06vhbJ7eF0VFu/view