AI智能总结
Slow pace of 5G assignments is spurring spectrum refarming 3.5 GHz remains the main choice As of 31 March 2021, 159 operatorshad launched commercial 5Gnetworks (mobile and/or FWA). The 3.5 and 3.7 GHz bands accountfor 53%* of 5G launches, while 700MHz is the key coverage band,accounting for nearly 60% of 5Glaunches in low-band spectrum. However, as 5G spectrum has yet tobe assigned in many markets, anumber of operators are refarmingexisting bands for 5G deployments.Notably, the 2100 MHz band isemerging as a primary choice among‘old’ bands (with 18 5G networkscurrently operating on thisfrequency).