ZTE makes a similar system which reduces power consumption by 40% and has already been deployed by CSL, an operator in Hong Kong.Both systems can also be upgraded to LTE, the emerging 4G standard.

• ZTE也有相似的系统，能节能40%25并且已被香港运营商CSL采用，两种系统都能够升级到LTE（新生4G标准）。