It is modification of the RSI indicator.
- Changed the number of dimensions (specifically to simplify use in experts)
- The line of the main indicator is composed of 4 with period shifts
- Added a line of smoothing based on T3
- The signals are moved to separate buffers
- Placed BB on T3 to improve the clarity of changes
Do not use it as a standalone trading tool, it is designed for confirmation of trend indicators.