How to read 4-20mA Signals wireless using NB IOT interface with Raspberry PI

Hey Everyone I am new to NB IoT device
I wanted to transmit sensor signals connected with current loop receiver to the raspberry pi wireless(At very longer range)
Please suggest me any tutorial or from where I should learn the interface between NB IOT with I2C devices
Thanks in advance

Well I2C devices will work as slave for proper compatibility you should check out the code wireless documentation of NB-IoT