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Connected Intelligence Reference Design

Upgrading Energy Metering Systems with Cellular Networking

EMCOM - Oslo, Norway

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One of EMCOM’s Norwegian clients creates value for its customers by optimising energy efficiency and reducing the costs of electricity and insurance. Their metering and energy management department was still using fixed lines and older GPRS modems to connect to the company’s meters and energy intelligence devices. They wanted to upgrade to a modern mobile networking solution, so they brought in EMCOM to provide the necessary expertise.Electric Meter

EMCOM would plan the IP structure, select the appropriate communications equipment and antennas, configure the cellular routers, and insert the activated SIM cards. EMCOM also found that the physical space inside many of the controller boxes was very tight, so the routers would need to be relatively compact, with low profile antennas. LTE 4G would be a requirement, as there is already talk of eliminating Norway’s 3G network, and some of the locations would need the extra reach of 800 MHz.

EMCOM chose the B+B SmartWorx/Conel LR77 v2 Libratum cellular router. The LR77 v2 Libratum had all of the required specifications, and its competitive price point made the business case feasible, even when choosing 4G over 3G.

Energy Management

B+B SmartWorx products Used in this Reference Design

LR77 v2 Libratum WIFI set
LTE router LR77 v2 Libratum set (antenna, power supply, patch cable) - 2x ETH + 2x SIM + WIFI
Link to LR77 v2 Libratum WIFI set data sheet
Picture of LR77 v2 Libratum WIFI set