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Why do I need to update firmware on the PSA/E4406A VSA for the GSM/EDGE option?

By upgrading the firmware, you get the updated test limits to comply with the latest 3GPP standards.  This provides more flexible test limit or limit mask settings in most measurements.  

Update your firmware to the latest revision, using the link below.  For a full list of enhancements, refer to the firmware revision history.   

Documents & Downloads

PSA Series Spectrum Analyzer Firmware 
Firmware files for the E4440A, E4443A, E4445A, E4446A, E4447A, E4448A PSA spectrum analyzers.
Previous Versions

Firmware Update Current Version: A.11.21 | 2012-07-22

E4406A VSA Transmitter Tester Firmware 
Free firmware update for E4406A VSA Series Transmitter Tester.
Previous Versions

Software Update Current Version: A.10.08 | 2007-08-13