I am using 5 RV50s to grab data via modbus from 4 locations. A master Rv50 is set to grab the modbus data from the other 3 locations. Each site is only being asked for 16 bits of data every minute. Now I do understand that the actual data sent through verizon will be more but overall this is a very small amount of data. The seconds half of this month we have seen more than 5x the data usage than in the first month. I am looking for any help as to why this might be. We have not changed any setting or modified the amount of data being sent.
Which FW version that RV50 is running? If not latest, please refer to the following link to get the latest FW then recheck whether the problem is resolved.
Because I see some similar issues that have been fixed in the latest release.
Link the latest FW: https://source.sierrawireless.com/resources/airlink/software_downloads/rv50/rv50-firmware-list/#sthash.ouIGWwma.dpbs