[BeMasher] was dissatisfied with the cost of other solutions to read his smart meter, so he made a project to read it himself using an rtl-sdr dongle. Using his hacking and reverse engineering ...

His solution was to read data from the utility meter using ... Fortunately, in the USA most smart meters broadcast their data in a manner that an economical software-defined radio like RTL-SDR ...

This is when it loses the smart functionality, meaning that you have to still submit meter readings to your energy supplier. Smart meters can suffer from connectivity issues. After all ...