ABCs of Telecommunications

Telefocal Asia ABCs of Telecommunications flagship logo

The telecommunications landscape is in a constant state of change. Knowledge and competence in this area is vital for professionals working in this ever-changing industry.

A flagship course of Telefocal Asia, the ‘ABCs of Telecommunications’ is a 3-day course that provides executives with a fundamental understanding and overview of the modern telecommunications networks that are in operation today.

The course covers the various basic building blocks that make up the modern telecommunications networks of today. It provides an overview understanding of all the enabling technologies that power fixed networks, data network, wireless networks, mobile networks and the Internet.

Important basic concepts on radio propagation, multiplexing, TCP/IP, switching, signaling will be covered. Radio technologies such as Bluetooth, NFC and wireless LAN will also be included. Participants will also acquire a fundamental understanding of wireless access technologies like WCDMA, HSPA, LTE, LTE-A and 5G.

Apart from wireless access technologies, transmission technologies such as microwave, fiber optics communications will also be covered. Participants will also acquire a good understanding on data networks and how they work, such as LAN, WAN, carrier ethernet. They will also learn future technologies that are set to shape the evolving IP/Telecommunications landscape, including SDN, cloud and the Internet of Things (IoT).

By attending this course, participants will gain critical foundation knowledge before branching out to pursue other more advanced topics in the converged IT / Telecommunications technology domain.

This course is designed for both technical and non-technical professionals working in the telecommunications industry.

Instructor-led Training
  • Classroom: 3 days
  • LIVE Virtual*: 21 hours


  • A minimum of 6 or more participants are required for a company-based LIVE Virtual course to commence
  • LIVE Virtual courses can be conducted for 5 hours or 7 hours daily. Please note that the number of training days will be extended if you opt for 5 hours daily.
  • 28 – 30 Aug 2024 (Wed – Fri), GMT +08:00
  • 11 – 13 Nov 2024 (Mon – Wed), GMT +08:00
  • 20 – 22 Jan 2025 (Mon – Wed), GMT +08:00

If you are keen on attending any of the scheduled courses, please register your interest via our course enquiry form.

At the end of this course, participants will:

  • Understand the basics of telecommunications and how they are being used
  • Understand the vital links between wireless and wireline systems
  • Learn about the legacy and future of telecoms including technologies such as HetNet, LTE-A and Cloud Services
  • Piece together the complex puzzle of telecom landscape

Basic Concepts

  1.   Block Diagram of Basic Communication System
  2.   Standard Bodies in Telecommunications
  3.   Electromagnetic Signals
  4.   Multiplexing Techniques
  5.   Switching Types
  6.   Signalling Technologies and Principles
  7.   OSI Reference Model
  8.   Telecom Networks

Wireline and Transmission Technologies

  1.   Transmission Media
  2.   Fixed Broadband Technologies
  3.   Fibre Optics and FTTx
  4.   Data Networking Types and Classifications
  5.   IP
  6.   The Internet
  7.   Voice over IP (VoIP) Technology
  8.   IPTV

Mobility and New Telecommunications Technologies

  1.   The Cellular Network
  2.   3G UMTS and HSPA
  3.   Overview of LTE and 4G Technology
  4.   IMS Overview
  5.   Overview of 5G Technology
  6.   Evolving Mobile Networks
  7.   Telecom Technologies
  8.   Carrier Ethernet
  9.   SDN Data Networking
  10.   Internet of Things (IoT)
  11.   Use Case Study
Note: A Certificate of Completion will only be issued upon achieving at least 75% attendance for the course.


"The technical knowledge of our trainer was excellent and the knowledge that we gained would help us to set a future direction for our company.”
“Contents are comprehensive for a beginner in the Telecommunication industry and I could understand more clearly how wireline and wireless systems work.”
Telekom Malaysia

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