ESTNearable RSSI value range is -100 dbm to 0

What should I modify so that iPhone Bluetooth can discover nearable up to -110 dbm?
Estimote Sticker is sending signal from -100 dbm to -110 dbm at >=3m distance.
So I want my iPhone Bluetooth to discover Sticker at this weak Signal Strength.

Please suggest.

There’s no way to customize the RSSI threshold below which the iPhone stops discovering Bluetooth devices.

We’ll be making it possible later this year to increase the broadcasting power of your stickers via a firmware update, which will make the stickers discoverable at greater ranges.