The E6601A all-in-one measurement system in a box from Agilent Technologies is aimed at calibrating mobile cellular handsets in manufacturing environments. Based on the Windows XP operating system from Microsoft, the single instrument features a wide 25-MHz measurement bandwidth and wide dynamic range for fast GSM/GPRS/EGPRS, WCDMA, and HSDPA measurements on cellular handsets. It links to external computers by LAN, USB, or GPIB. For more information, visit the Agilent web site at