Sprint PCS launched its version of push-to-talk Monday that lets customers use their wireless phones as if they were walkie-talkies. Sprint PCS’ Ready Link service is the third of its kind to hit the ...

NEW YORK - Sprint Nextel Corp. is upgrading one of its cell phone models so that it can connect to a faster data network, doubling its download speeds and boosting upload speeds by about eight times.

Sprint Nextel is considering a sale of the Nextel wireless network it bought in 2005, but may have trouble finding a buyer for an asset whose value has plunged about 80 percent to an estimated $5 ...