We keep up with the development of the GLONASS orbital group. The range of navigation equipment mastered in production meets the requirements of the interface control document (ICD) GNSS GLONASS, Edition 5.1 (Navigation radio signal in the L1, L2 bands). And since 2018. we are expanding the range of manufactured navigation equipment that takes into account the requirements of the ICD GNSS GLONASS Edition 1