00659cam a2200193 7i4500 0000016046 20161026090000.0 9780073373850 621.382/FRE Frenzel, Louis E.,Jr Principles of electronic communication systems / by Louis E.Frenzel Jr.. 4th edition. USA, New York : McGraw-Hill Education, c2016. xiv, 930 pages : ill. ; 29cm. Includes bibliographical references and index Telecommunication - Textbooks Wireless communication systems - Textbooks 1000025693 Book Green Spot 1000025694 Book Red Spot