Example scripts that demonstrates use of new node API can be found in /tcl/ex/wireless-demo-csci694.tcl. In this example the new node API is used to create mobilenodes for a wireless simulation. You can also see examples (wireless1.tcl, wireless2.tcl and wireless3.tcl) used in wireless chapters (chap IX and X) in the ns-tutorial available from http://www-mash.cs.berkeley.edu/ns/tutorial/index.html .