mmWave refers to higher frequency radio bands ranging from 24GHz to 40GHz, and Sub-6GHz refers to mid and low-frequency bands under 6GHz . Low-frequency bands are under 1GHz, while mid-bands range from 3.4GHz to 6GHz and are not considered “mmWave.”
Read moreWhat is FR1 in 5G?
5G FR1 (Frequency Range 1) consists of Sub-6 GHz frequency bands allocated to 5G . Ever since the introduction of GSM, there has been an increasing demand for additional frequency bands. GSM/UMTS mostly utilized 900 and 1800 MHz frequency bands while 4G LTE utilized frequencies of up to 6 GHz.
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