ITU-RWorking Party 1A | Spectrum engineering techniques

ITU-T Study Group 3 | Tariff and accounting principles and international telecommunication/ICT economic and policy issues

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

ITU-T Study Group 5 | Environment, climate change and circular economy

ITU-R Working Party 5B | Maritime mobile service including the Global Maritime Distress and Safety System

ITU-T Study Group 12 | Performance, QoS and QoE

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

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

ITU-R Working Party 3M | Radio-wave propagation prediction for point-to-point paths and paths between the Earth and space​

ITU-R Working Party 3K | Point-to-area propagation