To be precise, ONUs are also Cpes. But ONUs connect to fiber access devices and 5G Cpes connect to 5G base stations. 5G CPE uses similar or the same 5G chips as 5G mobile phones, with strong 5G connectivity capabilities and support for SA/NSA networking and 4G/5G. Its speed is comparable to that of an ONU. However, compared with ONUs, Cpes are more flexible and mobile. In some sparsely populated areas, deploying fiber is difficult and expensive.