Question: Which of the following is true for first-generation wireless systems?
A Low rate
B Efficient
C High data rate
D Digital technology
Answer: Low rate
| Characteristic | Description |
| Name | First Generation (1G) Wireless Systems |
| Time Period | 1980s – 1990s |
| Data Transmission | · Very low data rates
· Data transfer was limited to simple text messages and faxes. |
| Network Architecture | Circuit-switched, with limited mobility |
| Digital Technology | Predominantly analog technology and the entire system was built around analog voice transmission. |
| Data Services | · No support for data services.
· Early systems were primarily designed for voice communication. |
| Voice Quality | Lower voice quality as compared to later generations |
| Standards | Multiple non-standardized systems |
| Manufacturers | Companies like Motorola, Nokia, Ericsson and Bell Labs developed their own systems for different regions. |
| International Roaming | Limited international roaming capabilities. |
| Security | Limited security measures, making them vulnerable to security risks. |