I am working on a smart meter project and looking for RF transceiver IC for Sub-1GHz bands for Wireless m-bus. I found the S2-LP (click here to see the datasheet) seems to fit the requirements. Here are my question before I actually go ahead with that selection:
1. S2-LP has SPI interface so I believe I can use any microcontroller with it? I am planning to use STM32L0 / L1
2. Is all the software stack available to implement wireless m-bus?
3. Do I need to use any specific compiler (like IAR) ? or I can develop using GNU ARM compiler?
4. Is there any RF module limitation i.e. do I have to use SPSGRF-868 RF module as is used in evaluation board X-NUCLEO-IDS01A4?
Any help will be very much appreciated!