Hi yby,
I'm so sorry for my delay.
For achieve a multi-hop network you have to use one example provided in the BeeKit.
I guess that, all the examples support multi-hop network.
For this kind of network you should create (generate projects with BeeKit and import in CodeWarrior and compile) a end-device, a coordinator an a range extender (this is the router). The router is the key of the multi-hop network.
FlyFisherman