4TECH DM401 MASS GSM GATEWAY
General Features
General Features Key Features of the Product
- Communication Bands: Quad-Band GSM850/EGSM900/DCS1800/PCS1900 MHz
- Communication Technology: 2G and LTE (4G) support
- Processor: High-speed Arm Cortex microcontroller
- Connection Interface: Isolated RS485 connection
- Update: Remote software update (OTA)
- Memory: 32 MB internal memory
- Clock: Real-time clock (RTC)
- Automation: Ability to recognize and execute scheduled tasks
- Reporting: Reporting power outages to the data center
- Baud Rate Setting: Automatic baud rate adjustment between 300 to 38,400 baud depending on the electricity meter type
- Inputs/Ports: Isolated digital inputs and USB Type-C port support
- Meter Reading Protocol: Short and long packet, Obis code, and load profile reading (compliant with IEC 62056-21C protocol)
- Control: Built-in relay
- Lighting Control: Lighting control using geographic coordinate data
Features
TECHNICAL SPECIFICATIONS
Feature
Value
Model Name
DM401
Reference Voltage (Un)
230 V
Operating Frequency
50 Hz ±5%
Maximum Current Consumption
0.03 A
IP Class
IP54 (Outdoor)
Protection Class
Two (2)
Operating Temperature
-40 °C, +70 °C
Communication Speed and Interface
RS485 (300–38400 Baud), GSM, GPRS, LTE
Related Standards
TS EN 60950-1
Memory
32 MB
Digital Inputs
4 Units
Protocols
IEC 62056-21
Quality Certificates




