5G & 6G
Technology · 5G और 6G
📋Quick Overview
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India launched 5G on 1 October 2022 — 2nd largest 5G network in world after China
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5G frequency bands in India: 700 MHz, 3.3 GHz, 26 GHz
📖Mobile Network Generations
| Generation | Year | Speed | Key Feature |
|---|---|---|---|
| 1G | 1980s | 2.4 Kbps | Analog voice calls only |
| 2G | 1991 | 64 Kbps | Digital voice, SMS, GPRS |
| 3G | 2001 | 2 Mbps | Video calls, mobile internet |
| 4G/LTE | 2009 | 100 Mbps–1 Gbps | HD streaming, VoLTE |
| 5G | 2019 | Up to 10 Gbps | IoT, autonomous cars, AR/VR, low latency |
| 6G | ~2030 | Up to 1 Tbps | AI-native, holographic comm, digital twins |
📝Key 5G Facts
- •5G latency: ~1 millisecond (vs 30-50ms for 4G)
- •5G supports up to 1 million devices per sq km
- •South Korea was the first country to launch 5G commercially (April 2019)
- •India 5G spectrum auction: August 2022 (Rs 1.5 lakh crore)
- •India's Bharat 6G Alliance launched in 2023 for 6G research
- •5G use cases: smart factories, remote surgery, drone delivery, smart cities