5G • Spectrum
Band n261
28 GHz US mmWave Band (27.5 - 28.35 GHz)
US-specific 28 GHz mmWave allocation (27.5-28.35 GHz) used by major US operators for initial 5G mmWave launches.
Technical Explanation
Band n261 represents the 850 MHz subset of the 28 GHz spectrum originally auctioned in the United States by the FCC (Auction 101). It was the launchpad for the first commercial 5G millimeter-wave deployments worldwide.
Key Functions
- Operating frequency: 27.5 - 28.35 GHz mmWave (FR2)
- Initial commercial mmWave deployment band in the United States
- Supports high-density Carrier Aggregation (up to 8 x 100 MHz CCs)
Specifications
3GPP TS 38.101-2
Interfaces
Uu
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