Can I adjust sampling speed of R5500?
No, sampling speed could not be adjusted in R5500.  When users decimate, the sampling speed is effectively reduced. 
Tue, Oct 1, 2019 at 5:03 PM
I am considering upgrading to a ThinkRF R5500 product. Do you have any information comparing the ThinkRF R5500 and WSA5000 products?
R5500 Improvements relative to the WSA5000. Improvements WSA5000 was R5500 is Benefits Improved sweep rates 6.5GHz/s (@10 kHz RBW and 40 MHz IBW) 28...
Tue, Jun 11, 2019 at 2:53 PM
What is the frequency accuracy on ThinkRF R5500 Spectrum Analyzer?
The ThinkRF R5500 Spectrum Analyzer is accurate to +/-1.0 ppm. An additional, +/- 1 ppm per year needs to be considered for aging effects. 
Fri, Jul 20, 2018 at 2:22 PM
Can I remotely turn on and off R5550/R5750 power?
If you leave the switch in the ON position (always) then it will always start up when you plug it in. There's no API or GUI control for power on/off.  ...
Thu, Jan 28, 2021 at 5:49 PM
Does ThinkRF offer rackmount kit for the Spectrum Analyzer?
ThinkRF offers a rackmount kit for R5500 spectrum analyzers. Please contact sales@thinkrf.com for more information.
Fri, Jul 20, 2018 at 2:15 PM
Is there a way to have both the display information and the analog I/Q outputs present simultaneously on WBIQ option unit?
The WBIQ has a wide IF bandwidth that cannot be processed by the on-board Analog-to-digital converter. The WBIQ product is intended for use with external di...
Tue, Aug 7, 2018 at 4:00 PM
What is the noise figure for R5500/R5550?
The noise figure of the entire tuner (including the digitizer) is reflected in the DANL of our product. Please refer to the ThinkRF R5500/R5550 Datasheet. T...
Fri, Aug 14, 2020 at 4:06 PM
What is the DANL spec on R5500-408P?
DANL for 408P is the same as for 418 but up to 8GHz. 408P uses the same daughter card as 418.
Tue, Jun 11, 2019 at 2:58 PM
Does ThinkRF support Automatic Gain Control?
ThinkRF does not support Automatic Gain Control at this moment.
Tue, Oct 1, 2019 at 5:01 PM
Does R5500 support phase measurement?
RTSA7550/R5500 does not support phase measurement, such as phase shift, phase noise.
Fri, Jun 14, 2019 at 5:17 PM