RF modules. RF modules for water meter .gas meter.
This type of communication with the meter has the best cost benefit and ease of maintenance in other systems of gerenciamenteo and reading. The RF module has a range of 2km without barriers and an advanced control technology as well as an effective management of energy with high capacity lithium battery service life 10 years, which significantly reduces the cost of maintenance and exchange.
It works for water, gas, and energy.