diff --git a/ppp_installer/chat-connect b/ppp_installer/chat-connect
index 12e205d..a805329 100644
--- a/ppp_installer/chat-connect
+++ b/ppp_installer/chat-connect
@@ -7,8 +7,8 @@ ABORT "NO ANSWER"
 TIMEOUT 30
 "" AT
 OK ATE0
+#EXTRA
 OK ATI;+CSUB;+CSQ;+COPS?;+CGREG?;&D2
 OK AT+CGDCONT=1,"IP","\T",,0,0
-#EXTRA
 OK ATD*99#
 CONNECT
diff --git a/ppp_installer/install.sh b/ppp_installer/install.sh
index a58cb96..5ba4f50 100644
--- a/ppp_installer/install.sh
+++ b/ppp_installer/install.sh
@@ -18,6 +18,21 @@ case $answer in
     *)    echo "${YELLOW}You did not chose 1, 2 or 3${SET}"; exit 1;
 esac
 
+if [ $answer -eq 3 ]; then
+	echo "${YELLOW}Please choose LTE Technology:${SET}"
+	echo "${YELLOW}1: GPRS/EDGE${SET}"
+	echo "${YELLOW}2: CATM1${SET}"
+	echo "${YELLOW}3: NB-IoT${SET}"
+
+	read answer4
+	case $answer4 in
+		1)    echo "${YELLOW}You chose GPRS/EDGE${SET}";;
+		2)    echo "${YELLOW}You chose CATM1${SET}";;
+		3)    echo "${YELLOW}You chose NB-IoT${SET}";;
+		*) 	  echo "${YELLOW}You did not chose 1, 2 or 3${SET}"; exit 1;
+	esac
+fi
+
 echo "${YELLOW}Downloading setup files${SET}"
 wget --no-check-certificate  https://raw.githubusercontent.com/sixfab/Sixfab_PPP_Installer/master/ppp_installer/chat-connect -O chat-connect
 
@@ -64,8 +79,20 @@ read carrierapn
 echo "${YELLOW}What is your device communication PORT? (ttyS0/ttyUSB3/etc.)${SET}"
 read devicename 
 
+if [ $answer4 -eq 1 ]; then
+
 EXTRA='OK AT+QCFG="band",F,400A0E189F,A0E189F,1\nOK AT+QCFG="nwscanseq",01,1\nOK AT+QCFG="nwscanmode",1,1\nOK AT+QCFG="iotopmode",2,1'
 
+elif [ $answer4 -eq 2 ]; then 
+
+EXTRA='OK AT+QCFG="band",F,400A0E189F,A0E189F,1\nOK AT+QCFG="nwscanseq",02,1\nOK AT+QCFG="nwscanmode",3,1\nOK AT+QCFG="iotopmode",0,1'
+
+elif [ $answer4 -eq 3 ]; then 
+
+EXTRA='OK AT+QCFG="band",F,400A0E189F,A0E189F,1\nOK AT+QCFG="nwscanseq",03,1\nOK AT+QCFG="nwscanmode",3,1\nOK AT+QCFG="iotopmode",1,1'
+
+fi
+
 mkdir -p /etc/chatscripts
 if [ $answer -eq 3 ]; then
   sed -i "s/#EXTRA/$EXTRA/" chat-connect