diff --git a/general/overlay/etc/wireless/modem b/general/overlay/etc/wireless/modem
index fc188ad9..075faaf5 100755
--- a/general/overlay/etc/wireless/modem
+++ b/general/overlay/etc/wireless/modem
@@ -75,4 +75,27 @@ if [ "$1" = "l716-t31-camhi" ]; then
 	exit 0
 fi
 
+# SIMCOM7600G/SIMCOM7600G-H
+if [ "$1" = "sim7600g" ]; then
+	modprobe rndis_host
+	modprobe option
+	echo "1e0e 9011" > /sys/bus/usb-serial/drivers/option1/new_id
+	sleep 5
+	exit 0
+fi
+
+# EG25/EC25-xxx (RNDIS, AT+QCFG="usbnet",3)
+if [ "$1" = "rndis-ec25" ]; then
+	modprobe rndis_host
+	modprobe option
+	sleep 5
+	exit 0
+fi
+
+# EG25/EC25-xxx (ECM, AT+QCFG="usbnet",1)
+if [ "$1" = "ec25" ]; then
+	modprobe option
+	sleep 5
+	exit 0
+fi
 exit 1