KEY POINTS
  • "We have looked at every other alternative to make sure we are making the right decision," Sprint CEO Marcelo Claure tells CNBC.
  • On Tuesday, German business newspaper Handelsblatt reported that Deutsche Telekom, T-Mobile's parent, was prepping documents for a potential merger with Sprint.

A combined T-Mobile-Sprint could pose a "powerful" threat to telecom giant AT&T, Sprint CEO Marcelo Claure told CNBC on Thursday.

"We have looked at every other alternative to make sure we are making the right decision," Claure said on "Halftime Report." "If the government works to allow us to combine, we'll be No. 3, but we'll be a formidable competitor and we'll continue to disrupt the industry."