Review on 📻 Nooelec RF Upconverter v1.3 Barebones: Enhance Software Defined Radio (SDR) with Ham It Up. Compatible with HackRF & RTL-SDR; Includes SMA Jacks for MF/HF Conversion. by Aaron Webb

Seems stable so far. The front end seems to allow many signals to be mixed into the final output, although I can't say for sure what the circuit engineer might have done with it, or is it more of an indication that my SDR key is doing the final decoding. has problems with overload. So I would say this product does exactly what I expected it to, which is to extend the range of my cheap $25.00 SDR dongle into the RF range. I have good results - maybe even better than I expected! I absolutely recommend this to every friend!