ITU-R Working Party 3L (WP 3L) - Ionospheric propagation and radio noise

ITU-R Working Party 3M (WP 3M) - Point-to-point and Earth-space propagation

ITU-R Working Party 3K (WP 3K) - Point-to-area propagation

ITU-R Working Party 3J (WP 3J) - Propagation fundamentals

ITU-R Working Party 5C (WP 5C) - Fixed wireless systems; HF systems in the fixed and land mobile services

ITU-R Working Party 5A (WP 5A) - Land mobile service excluding IMT; amateur and amateur-satellite service

Joint Coordination Activity on Internet of Things and Smart Cities and Communities (JCA-IoT and SC&C)

ITU-T Meeting of Study Group 20: Internet of things (IoT) and smart cities and communities (SC&C)

Joint Coordination Activity on IMT2020 and Beyond (JCA-IMT2020)

ITU-T Meeting of Study Group 11: Signalling requirements, protocols, test specifications and combating counterfeit telecommunication/ICT devices