SK Energy in South Korea has selected Motorola’s Scalable Dimetra™ IP TETRA (TErrestrial Trunked RAdio) network system, along with the MTP850Ex ATEX TETRA terminal, to enhance operational efficiency and user safety in hazardous environments.

SK Energy is the first customer in Asia to use Motorola s ATEX terminal. With the deployment, SK Energy employees now have access to the latest digital TRS (Trunked Radio System), which is more spectrum-efficient compared to the existing analog communications. SK Energy has been using an analog TRS since the oil refinery giant was first set up in 1962.

SK Energy will now be able to design and optimize the radio communications network to improve operational efficiency and productivity using cutting-edge digital functions.

SK Energy’s Ulsan complex has a processing capacity of 840,000 barrels per day, the largest in Korea. The radio network handles more than 10,000 calls per day at the main office and five manufacturing sites. About 2,000 staff, comprising SK Telecom and partner employees, are using the network.

The MTP850Ex is certified under the ATEX and IECEx international certification schemes for protection against the most explosive gas and dust clouds.

The safety features, smart ergonomics and fail-safe robust operation of the terminal allows SK Energy employees to benefit from a wide range of communications features that are built to withstand tough and hazardous environments.

For example, if the connection to the Main Switch Office (MSO) is broken, users will still be able to communicate with the base station without any interruption.

In addition, when there is a request for help or an emergency call, the location of users can be tracked immediately with the help of the terminal’s integrated GPS receiver. The MTP850Ex also has a built-in “Man Down” alert feature that triggers an emergency procedure when the carrier of the radio remains motionless for a set period or suffers a fall.

“SK Energy selected Motorola’s TETRA system and explosion-proof radio for their security, safety and reliability. These are critical factors when you consider the potentially explosive environments when operating oil and petrochemical plants.”



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