Optimisation CAIP and its rigging division Spectrum provide optimisation services for 2g and 3g networks. Operators expect high performance with low tolerances from their network components. Optimisation tasks undertaken typically include the checking of antennas using GPS tools for horizontal azimuth and electronic spirit levels for vertical alignments. Feeder testing for system losses and fault testing to determine specifically under performing elements within the system are fed back to clients where a decision is made on whether replacement items are to be installed. A continual dialogue is opened between site personnel and the cell planner until specific site performance is improved.