Update README.md

README.md

@@ -12,3 +12,6 @@ The new features so far include, but are not limited to:
 - Transmission outside of the 136-174,400-520MHz bands
 
 * **Warning:** The Quansheng UV-K5 CAN NOT receive signals between 630-840MHz. This is a hardware limitation of the Beken BK4819 baseband chip. Please do not open issues about this, it is impossible to fix in software.
+
+# EVEN BIGGER WARNING
+**This modification is UNTESTED and is for RESEARCH PURPOSES ONLY, to explore the capabilities of the device and its chipset. DO NOT transmit on illegal frequencies. DO use a dummy load. DO report results, preferably spectrum analyzer screenshots, to this repo for research. The author(s) and contributor(s) of this repository are NOT liable for any damages, litigation, or other consequences of the misuse of this research firmware and do not accept any culpability. By installing any firmware from this repository, you accept full responsibility for any consequences that may arise and waive the right to pursue legal action against the author(s).**