更新一下5G： https://it.sohu.com/a/750187327_121124362

中國是N77-N79,

美國：https://beebom.com/list-5g-bands-us-verizon-att-sprint-t-mobile/ N77

https://www.wilsonamplifiers.com/blog/5g-frequency-bands-explained/?gad_source=5&gclid=EAIaIQobChMItOKBr-avigMVzBStBh0kfynaEAAYASAAEgLvp_D_BwE