Refurbished Agilent E4448a Spectrum Analyzers

We are offering refurbished agilent e4448a spectrum analyzers.
psa spectrum analyzer, 3 hz - 50 ghz
the agilent e4448a psa high-performance spectrum analyzer measures and monitors complex rf, microwave, and millimeter-wave signals up to 50 ghz. With optional external mixing, the frequency coverage expands to 110 ghz with the agilent external mixer, and to 325 ghz with other vendors' mixers.
specifications
performance
* +-0.19 db absolute amplitude accuracy
* -154 dbm displayed average noise level (danl)
* -118 dbchz phase noise at 10 khz offset
* 81 db w-cdma aclr dynamic range
analysis bandwidth
* 10 mhz analysis bandwidth (option b7j for the basic mode)
* optional 40 or 80 mhz analysis bandwidth to capture and measure complex signals. View the demo
* -78 db (nominal) third order intermodulation for 40 or 80 mhz analysis bandwidth
* up to 300 mhz analysis bandwidth for calibrated vsa measurements
flexibility
* flexible platform with 16 optional, easy-to-use built-in measurement personalities and hardware options
* agilent's powersuite one-button power measurements included as standard