n79 is the term for a 5G Frequency Band used for Fifth Generation Mobile Networks and is defined by the 3GPP
n79: 5G Band Name
Operating Band (MHz)
4400 to 5000 MHz
693333 to 733333
Supported Channel Bandwidths
40 50 60 80 100 MHz
n79: Overview of Band
n79 (4500 MHz), or commonly referred to as the 4.5 GHz 5G band, or C-band 5G, is a popular tested and deployed 5G frequency. The n79 band’s popularity is due to its relatively common availability, with lower cellular spectrum already in use by 3G and 4G networks.
Performance objectives of the 5G standard require large blocks of contiguous spectrum in order to operate large channel widths. With spectrum an extremely valuable resource, operators have had little choice but to implement 5G NR on higher cellular bands. The 4.5 GHz band has been historically used for various networks including overlap with NATO band (4500-5000MHz). Therefore in some countries there may be a need to vacate some spectrum ahead of national auctions to reallocate the band for 5G services.
n79 coverage is naturally limited by the propagation characteristics of the higher frequencies, however the effect has in some ways been mitigated by advanced processing techniques such as massive MIMO, beam-forming, and beam-tracking. Observed propagation has been reported to be similar to early B3 (1800 MHz) 4G networks. The shorter wavelength does have the advantage of making 5G’s complex antenna technologies (such as 128T128R) more compact and hence more feasible to deploy.
It is expected that networks using n79 networks will operate with wide channel widths for high capacity applications, including Fixed Wireless Access (FWA) for rural communities.
5G Equipment for Band n79
High quality equipment for this band is available from numerous vendors. An example of a Remote Radio Head (RRH) for this band is shown here:
Here is a chart of 5G frequency bands
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