1 GCSE ICT resources Search within results Go How ratings and recommendations work Apply Filter resourcesClear all filtersLevelClear filter GCSE SubjectClear filter ICT Exam board OCR TopicClear filter Topic 2-3G wireless communication and technology, EDI. Resources Flashcards Multi-tool Topic 2-3G wireless communication and technology, EDI. GCSE, ICT 21 flashcards Search again