The E4406A VSA transmitter tester is a full-featured vector signal analyzer ideally suited for base station and mobile handset manufacturing, with additional applications for design and development of wireless equipment. The E4406A VSA offers high performance in-band and spectrum measurements for multiple 2G, 2.5G, 3G, and 3.5G wireless communications formats with powerful one-button standard-based measurements, and the best combination of speed and accuracy. Its speed and affordable price make it well suited for volume production. Extensive one-button measurement personalities, superior accuracy and optional baseband IQ input provide unparalleled convenience for research and development applications.