5g is what frequency
G, or the fifth generation of mobile networks, operates across a range of frequencies, including both sub-6 GHz and mmWave (millimeter wave) bands. The specific frequency bands used for 5G can vary globally as different regions and countries allocate different spectrum bands for mobile communication.
- Sub-6 GHz Bands:
- Low-Band (600 MHz - 1 GHz): This band provides wide coverage and better penetration through obstacles like buildings. However, its data transfer rates are not significantly faster than 4G.
- Mid-Band (1 GHz - 6 GHz): This band strikes a balance between coverage and data transfer rates. It provides faster speeds compared to low-band frequencies and has reasonable coverage.
- Sub-6 GHz bands, in general, offer better coverage and are more suitable for rural and suburban areas.
- mmWave Bands (24 GHz and above):
- High-Band or mmWave frequencies are typically above 24 GHz.
- These bands offer extremely high data transfer rates and low latency. However, they have shorter range and are more susceptible to obstacles like buildings and foliage.
- mmWave bands are well-suited for urban areas where base stations can be deployed more densely.
- Dynamic Spectrum Sharing (DSS):
- 5G networks can also utilize Dynamic Spectrum Sharing, which allows for the simultaneous operation of 4G and 5G within the same frequency band. This facilitates a smoother transition from 4G to 5G without requiring a complete overhaul of the existing infrastructure.
- Carrier Aggregation:
- 5G networks can use carrier aggregation, combining multiple frequency bands to increase overall data transfer rates. This is a technique used in both sub-6 GHz and mmWave bands.
It's important to note that the frequency bands designated for 5G can vary from country to country, and within countries, different carriers might use different bands. The use of multiple frequency bands allows 5G to provide a balance between coverage and data transfer rates, catering to diverse user needs and deployment scenarios.