Symbol 5042 from IEC 60417 - Title/Meaning: Frame aerial; loop antenna Function/description: To identify the frame aerial (loop antenna) terminals.
Additional information: 
Title was editorially improved
Published in: First edition, 1973
Own work using: iso.org/obp/graphics/grs/75f407d0-6938-48c7-a5f1-80923eb829ca 200.png
Vectorization:  Mrmw