. , a former clearwire corporation subsidiary and a leading provider of ofdm-based non-line-of-sight ( 201cnlos 201d ) wireless broadband infrastructure equipment , ( iii ) broadbus technologies , inc. , a provider of technology solutions for television on demand , and ( iv ) vertasent llc , a software developer for managing technology elements for switched digital video networks . these acquisitions did not have a material impact on the segment results in 2006