diff --git a/install.sh b/install.sh
index babb162..97d62de 100755
--- a/install.sh
+++ b/install.sh
@@ -3,6 +3,8 @@ echo Install rpitx - some package need internet connection -
 sudo apt-get update
 sudo apt-get install -y libsndfile1-dev git
 sudo apt-get install -y imagemagick libfftw3-dev
+#For rtl-sdr use
+sudo apt-get install -y rtl-sdr
 # We use CSDR as a dsp for analogs modes thanks to HA7ILM
 git clone https://github.com/simonyiszk/csdr
 cd csdr