本书共4大单元,每个单元由4篇相关的课文组成,系统介绍了数据传输、光纤通信、无线通信和通信网结构等方面的内容。每篇课文都分为4个模块:Text、New Words and Phrases、Notes和Exercises。在每个单元后均附有Useful Skills和Reading Material,在本书末尾,编者加注了练习参考答案和附录。
本书适合作为高职高专院校通信技术专业学生的英语教材,也可供广大通信行业相关技术人员学习专业英语做参考。

Unit 1 Data Communication 1
Text 1 Introduction to Data Communication 1
Text 2 Data Transmission 7
Text 3 Switching Technologies 14
Text 4 Data Communication Protocol 20
Useful Skill:电信英语专业词汇的学习 26
Reading Material:Asynchronous Transfer Mode (ATM) 30

Unit 2 Optical Fiber Communication 34
Text 1 Introduction to Optical Communication System 34
Text 2 SDH (Synchronous Digital Hierarchy) 40
Text 3 Fiber-optic Cable 46
Text 4 Fiber to the Home 52
Useful Skill:科技英语的句子结构特点分析 58
Reading Material:A Short History of Fiber Optics 62

Unit 3 Wireless Communication 66
Text 1 GSM (Global System for Mobile Communication) 66
Text 2 Code Division Multiple Access (CDMA) 72
Text 3 Introduction to 3G 78
Text 4 Satellite Communication 84
Useful Skill:科技英语阅读与翻译 89
Reading Material:Bluetooth Technology 93

Unit 4 Data Communication Network 96
Text 1 PSTN 96
Text 2 Introduction to ISDN 102
Text 3 Access Network 107
Text 4 Introduction to Internet 113
Useful Skill:怎样阅读英文产品说明书 119
Reading Material:Introduction NGN 123

AppendixⅠ 练习参考答案 126
Unit 1 Data Communication 126
Unit 2 Optical Fiber Communication 129
Unit 3 Wireless Communication 133
Unit 4 Data Communication Network 136

Appendix Ⅱ 常用电信英语缩略语 141

Appendix Ⅲ 世界**通信公司的英语名称和简介 145

Appendix Ⅳ 课后单词 148