Anritsu Co. announces exclusive support for LTE 4x4 Multiple-In-Multiple-Out (MIMO) Carrier Acceptance Test (CAT) requirements for a major U.S. carrier. This new coverage, based on the ME7834LA Mobile Device Test Platform, builds on the leading 3G and LTE CAT test offering for this carrier. With this announcement, Anritsu is the first test solution provider in the world to offer a device acceptance solution for 4x4 MIMO.