
Smart Gas Meter with Prepaid Remote Control and Lorawan / 4G / Nb, G1.6/G2.5/G4. Multi-Protocol Communication: Supports NB-IoT, LoRaWAN, and 4G for reliable data transmission. Remote Monitoring & Control: Real-time usage tracking and remote valve control via platform. Prepayment System: Automated valve switching based on system commands for prepaid usage. Explosion-Proof Safety: ExibIIBT3 Gb certified for use in Zone 1 and Zone 2 hazardous areas. Abnormal Alarm Function: Auto-displays faults, beeps, and closes valve on low voltage or errors. Long Battery Life: Powered by 4 AA batteries with low consumption for years of operation. High Stability Signal: Built-in antenna ensures stable transmission over distances up to 3000m. AES-128 Encryption: Secure data transmission protecting user information confidentiality.