(Reuters) - Finnish telecommunications gear maker Nokia (NOK1V.HE) said on Wednesday it would buy U.S. -based SAC Wireless, which installs wireless network equipment. SAC Wireless, based in Schaumburg, Illinois, has roughly 450 employees and has worked with major telecom operators, Nokia said in a statement. Nokia said that the acquisition would help Nokia win market share in network implementation. It did not reveal the purchase price.