| Industrial Automation | |||||
| 1. | 2025 November Key | 2. | 2025 November | ||
| 3. | 2025 Apr Key | 4. | 2025 Apr | ||
| 5. | 2024 November Key | 6. | 2024 November | ||
| 7. | 2024 Apr Key | 8. | 2024 Apr | ||
| 9. | 2023 November | 10. | 2023 November | ||
| Optical Communication and Networking | |||||
| 1. | 2025 November Key | 2. | 2025 November | ||
| 3. | 2025 Apr Key | 4. | 2025 Apr | ||
| 5. | 2024 November Key | 6. | 2024 November | ||
| 7. | 2024 Apr Key | 8. | 2024 Apr | ||
| 9. | 2023 November | 10. | 2023 November | ||
| Digital Communication | |||||
| 1. | 2025 November Key | 2. | 2025 November | ||
| 3. | 2025 Apr Key | 4. | 2025 Apr | ||
| 5. | 2024 November Key | 6. | 2024 November | ||
| 7. | 2024 Apr Key | 8. | 2024 Apr | ||
| 9. | 2023 November | 10. | 2023 November | ||
| Signals and Systems | |||||
| 1. | 2025 November Key | 2. | 2025 November | ||
| 3. | 2025 Apr Key | 4. | 2025 Apr | ||
| 5. | 2024 November Key | 6. | 2024 November | ||
| 7. | 2024 Apr Key | 8. | 2024 Apr | ||
| 9. | 2023 November | 10. | 2023 November | ||
| Mobile and Wireless Communication | |||||
| 1. | 2025 November Key | 2. | 2025 November | ||
| 3. | 2025 Apr Key | 4. | 2025 Apr | ||
| 5. | 2024 November Key | 6. | 2024 November | ||
| 7. | 2024 Apr Key | 8. | 2024 Apr | ||
| 9. | 2023 November | 10. | 2023 November | ||