diff --git a/README.md b/README.md
index b4e7700..44eee26 100644
--- a/README.md
+++ b/README.md
@@ -134,6 +134,9 @@ You can also execute these commands via the `bladeRF-cli` script option as below
 > hackrf_transfer -t gpssim.bin -f 1575420000 -s 2600000 -a 1 -x 0
 ```
 
+For HackRF an TCXO may be required. For further troubleshooting have a look at https://github.com/osqzss/gps-sdr-sim/issues/305
+
+
 #### UHD supported devices (tested with USRP2 only):
 
 ```