More on Clearwire's (CLWR) Q2: Retail average revenue per user (ARPU) was $47.59. Wholesale ARPU (primarily Sprint subscribers) was $6.18. Retail churn rose 0.7% Q/Q to 3.9%, while wholesale churn was steady at 1.3%. Free cash flow was -$383.7M. As of 6/30, company had $847M in cash and investments, and $4.02B in debt. CLWR -2.4% AH.