From EDRM
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z 1 2 3 4 5 6 7 8 9
Transmission systems which can send and receive, but not at the same time.[1]
Footnotes
- ^ American Document Management, Glossary of Terms, http://www.amdoc.com/glossary.shtml.