3 BTEC National ICT resources Search within results Go How ratings and recommendations work Apply Filter resourcesClear all filtersLevelClear filter BTEC National SubjectClear filter ICT Exam board Edexcel TopicClear filter Wireless transmission methods Resources Advantages and disadvantages table Grid Satellite BTEC National, ICT Grid 5.0 / 5 Infrared BTEC National, ICT Grid Microwave BTEC National, ICT Grid Search again