Scalability is very important for operators when selecting a backhaul solution. Operators want a clear and easy path to increase backhaul capacity.

可扩展性是运营商选择回程解决方案的一个重要考虑因素，运营商想要通过一个清晰且容易的途径来增加回程容量。

youdao

That would be all the more reason for Sprint to just acquire Clearwire and its existing network, spectrum and very efficient backhaul capacity.

FORBES: Clearwire: The Little Engine That Might