fi
echo -n "checking BTLE functionality... "
-btdev=`sudo timeout -s SIGINT 5s hcitool lescan | awk -F \- '/TeleBT/ { print $2 }'`
+btdev=`sudo timeout -s SIGINT 5s hcitool lescan | awk -F \- '/TeleBT/ { print $2 }' | head -n 1`
if [ "$btdev" = "$SERIAL" ]; then
echo "working!"
else