ThinkRF Support

All ThinkRF R series products are calibrated during the production and meet the product specification, as well as passing the quality tests.  T...

GPIO port Pin 23-25 are connected to the VCC12V, there is a 500mA fuse to protect it so pin 23-25 can use up to 500mA at 12V in combine. 

Here is an article from NI that explains SFDR. https://www.ni.com/en-ca/support/documentation/supplemental/18/specifications-explained--spurious-free-dynam...