A tool used in Huanglong that functions as a database in which are stored all the data useful for recording Tacet Discords with their classifications. It uses an unknown technology that allows the absorption of persistent Reverberations left behind by shattered Tacet Discords.
They go out of service due to the influence of the Etheric Sea and do not allow messages to be sent or received.
The Rover Terminal's design is different from that possessed by the resonators of the current era, but it has the same basic functions and data transfer.