GSM external module

GSM-module 640M is designed to read information from gas meters and transfer information to the data collection server.

GSM-module 640M is a monoblock adapted to fit RBG U G4 and G6 gas meters (Rusbelgaz, Brest, RB).

- Autonomous operation period (without battery replacement) - up to 10 years
- Frequency of readings transmission - programmable
- Ability to change settings remotely
- Use of contract hour and contract date for taking readings Programmable dates of communication sessions, time period of communication, number of repetitions, server address
- Archiving of readings
- Telemetry - NB-IoT / GSM 2G / LoRaWAN