Atoll In-Building module provides operators with unique integrated indoor/outdoor network planning capabilities within the Atoll framework. Atoll In-Building includes a comprehensive set of indoor design, planning, and analysis features that facilitate increased productivity and accelerated network deployments. Atoll In-Building extends the industry-leading radio access network planning and optimisation capabilities of Atoll to meet the centimetric precision and high level of detail required for indoor wireless network design. Atoll In-Building supports multi-RAT 2G, 3G, 4G, 5G, and Wi-Fi 6 indoor networks including active, passive, and hybrid DAS as well as indoor small cells. Atoll provides operators and vendors with a powerful and unique framework for designing and optimising indoor & outdoor radio access networks.