00514cam a2200133 a 4500020002100000020001500021082001700036100001800053245004800071260003900119300003600158500001900194650016700213  a0130453501 (pbk)  a813170500500a621.382bTOM1 aTomasi, Wayne10aAdvanced electronic communications systems   aNew DelhibPearson Educationc2004  axiv, 654 p. b: ill. c; 24 cm.  aIncludes index 0aDigital communicationsaTelecommunication systemsvOptical fiber vTransmission mediavData communicationvTelephone circuitsvMicrowave radio communicationvFEAS