The RM A-GSM is a compact and powerful radio communication module developed for reliable data transmission in smart metering and automated energy systems. It supports GSM/GPRS communication over multiple frequency bands and offers both AC and DC power supply options. With RS-485 interface compatibility and external antenna connectivity, the RM A-GSM ensures consistent, long-range data transmission in harsh industrial and utility environments. This module is ideal for integrating remote meters into AMI systems.
Specifications
GSM/GPRS Operating Bands: 900 / 1800 MHz
GPRS Communication Class: Class V
GSM Transmission Power:
Class 4 (2 W @ EGSM900)
Class 1 (1 W @ DCS1800)
AC Supply Voltage: 220 V
AC Power Consumption: 12 W
DC Voltage Range: 7 to 15 V
DC Power Consumption: ≤ 5 W
External Device Output Power: 5 V, 300 mA
Operating Temperature: -40°C to +70°C
Weight: ≤ 0.5 kg
Features
Dual power supply support (AC and DC)
RS-485 / 2x RS-485 communication interfaces
Internal and external antenna options (up to 3 meters)
Stable GPRS communication in industrial settings
Supports LTE (in construction type option)
Compact form factor with low power consumption
Ideal for integration in smart metering and remote data systems
Applications
Remote energy meter data communication
Advanced Metering Infrastructure (AMI) networks
Smart grid and substation communication
Utility data logging and telemetry systems
Industrial automation and control
About the Manufacturer
NIK is one of the largest energy technology enterprises in Eastern Europe, established in 1997. The company specializes in the design and production of advanced metering systems, industrial controllers, and integrated AMI solutions. With an in-house engineering and R&D department, NIK delivers innovative energy management tools for utilities, businesses, and infrastructure projects.
