The DIN-LiMo modem is a standalone DIN rail mountable modem that can be used as an external modem for any energy meter that has a serial (RS232/RS485) or Ethernet port. 

Features
• ARM9 CPU running Linux
• Full networking and filesystem support
• 4G/LTE module fully managed by host CPU
• Indication of 4G/LTE signal strength
• Implements both TCP server and client modes
• Meter protocol implementations (including load-profiles) for:
IEC 62056 21
DLMS
Modbus RTU / TCP
OSGP (Echelon MEP)
KMP (Kamstrup)
• IOT Protocols (MQTT, HTTP, HTTPS etc.)
• Designed for cloud metering (data push)
• Python scripting for user logic
• Over the air Firmware Update
• Remote management via ssh, web calls
• Supervises network 4G/LTE connection
• 1 x Chip-SIM ready