diff --git a/Features.md b/Features.md
index a7dab4e..5689c6a 100644
--- a/Features.md
+++ b/Features.md
@@ -4,7 +4,7 @@ Your HackRF (the board under the PortaPack) has the ability to send or receive r
 *	Operating frequency: 1 MHz to 6 GHz
 *	Supported sample rates: 2 to 20 Msps (quadrature)
 *	Resolution: 8 bits
-*	Max TX power:
+*	Max TX power (you can also check an [empirical measurement](https://www.reddit.com/r/hackrf/comments/hi8275/measurement_of_the_hackrf_one_output_power/)):
     *	10 to 2150 MHz: 5 to 15 dBm, increasing as frequency decreases
     *	2150 to 2750 MHz: 13 to 15 dBm
     *	2750 to 4000 MHz: 0 to 5 dBm, increasing as frequency decreases