Amazon.com: AURSINC NanoVNA USB C & USB 3.0 OTG Card Reader and 2-in-1 Memory Card Reader with Dual Connectors Compatible with NanoVNA-H & Antenna Analyzer | Contained with 32GB Micro SD Card :
miniVNA PRO Modifications
vna/J 3.1.4 User guide
Ham Radio miniVNA PRO Installation Notes | The Wonderful World of Microcontroller!