The main work of oil exploration is carried out in various complex surface environments such as mountains, jungles, deserts, Gobi, loess tableland, swamp, and open water. Most of the workplace is wide and sparsely populated; the communications infrastructure is poor or even not available. To carry out their jobs safely and efficiently, it requires a temporary but reliable and resilient communication network, which needs to provide positioning service for workers and vehicles to ensure safety. The two-way radios must have high protection and safety grade and good resistance to extreme conditions such as high and low temperatures.
