Three uses the 800MHz, 1400MHz and 1800MHz bands for 4G. The 800MHz band can travel over long distances, making it a good fit for rural locations, where masts are often spread far apart. … Network frequencies. FrequencyFrequency BandNetwork800MHzBand 204G1400MHzBand 324G1800MHzBand 34G2100MHzBand 13GThree Coverage and Network Review 2022 – 4G www.4g.co.uk › three-4g-network-summary