The device provides secure voice and data transmission where a terrestrial mobile communication connection can only work to a very limited extent. The housing of the low power consumption device is made from a particularly robust material in order to withstand all weather conditions as well as rough handling and knocks.
The device provides secure voice and data transmission where a terrestrial mobile communication connection can only work to a very limited extent. The housing of the low power consumption device is made from a particularly robust material in order to withstand all weather conditions as well as rough handling and knocks.