Agilent Technologies Inc. today announced that the E6621A PXT wireless communications test set will be used in an SK Telecom Hybrid Network demonstration during Mobile World Congress in Barcelona, February 27 - March 1. The SK Telecom solution allows two networks of different technology and frequency band to work as one, doubling the speed of the Internet connection. For the LTE + WiFi service demonstration, which allows high-speed wireless Internet connections, the Agilent E66621A PXT wireless communications test set will be used as the LTE network emulator to ensure a high data rate on the LTE network, providing a stable test environment.