MTS specialists have completed the period of ska people lost in the forest or lost in remote areas. In this new report, which was further tested, DMR technology (private LTE and digital mobile radio).
As noted by MTS, the standard of use is in hot weather and far from some populated areas, which forces operators to take into account the restrictions of its location up to 50 meters.

Today MTS technology on a helicopter. The signal was about 10 km. It is planned to develop mobile complexes, the possibility of creating its lightweight connection with placement on a quadcopter, and to perform search operations in the Arctic regions.
This pilot project is currently based on the provision of similar assistance to the Emergencies Ministry units and other domestic search and rescue services. salvation.
Source: Tech Cult

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