UK GSM, 3G and 4G / LTE Cellular Network Frequencies GSM Frequencies4G/LTE FrequenciesVodafone Lebara900Mhz 1800Mhz800Mhz (Band 20) 2600Mhz (Band 7)Three800MHz (Band 20) 1800MHz (Band 3)Relish (UK Broadband) Now owned by Three3500Mhz (Band 42) 3700Mhz (Band 43) Note : Relish uses TDD, not FDDUK GSM, 3G and 4G/LTE Cellular Network Frequencies – Draytek www.draytek.co.uk › support › guides › kb-uk-gsm-3g-4g-lte-cellular-net…