In its variant for test laboratories, LTS typically consists of a compact rack setup controlling a large number of mobile phones in parallel. Here, of LTS is usually employed for load, stability and regression tests.
Alternatively, LTS can be setup for controlling UEs remotely. In this application, test probes with up to 8 industrial modules can be controlled via software at any point in the mobile network from a central location. This layout is used by mobile network operators, MVNOs and MVNEs and service providers for functional testing.