diff --git a/overlay/etc/udev/rules.d/80-et-ic705.rules b/overlay/etc/udev/rules.d/80-et-ic705.rules
index 3ff62a8..b97f4e1 100644
--- a/overlay/etc/udev/rules.d/80-et-ic705.rules
+++ b/overlay/etc/udev/rules.d/80-et-ic705.rules
@@ -1,5 +1,6 @@
 # Author   : Gaston Gonzalez
 # Date     : 28 September 2024
+# Updated  : 30 September 2024
 # Purpose  : udev rules for the Icom IC-705
 #
 # Preconditions:
@@ -18,7 +19,7 @@ KERNEL=="ttyACM[0-9]*", SUBSYSTEM=="tty", ATTRS{product}=="IC-705", \
     ENV{ET_DEVICE}="IC-705"
 
 # Create consistent device name/path for the CAT serial device
-ENV{ET_DEVICE}=="ET_DEVICE", SUBSYSTEMS=="usb", ATTRS{bInterfaceNumber}=="00", \
+ENV{ET_DEVICE}=="IC-705", SUBSYSTEMS=="usb", ATTRS{bInterfaceNumber}=="00", \
     ACTION=="add", \
     ENV{ET_SUBDEVICE}="CAT" GROUP="dialout", MODE="0660", SYMLINK+="et-cat"
 
diff --git a/overlay/etc/udev/rules.d/82-et-ic7100.rules b/overlay/etc/udev/rules.d/82-et-ic7100.rules
new file mode 100644
index 0000000..a70c32a
--- /dev/null
+++ b/overlay/etc/udev/rules.d/82-et-ic7100.rules
@@ -0,0 +1,29 @@
+# Author   : Gaston Gonzalez
+# Date     : 30 September 2024
+# Purpose  : udev rules for the Icom IC-7100
+#
+# Preconditions:
+# 1. TODO: Document GPS settings for IC-7100 (Mike KC8OWL)
+# 2. GPS antenna connected to IC-7100
+# 3. IC-7200 connected via USB cable
+#
+# Postconditions:
+# 1. /dev/et-cat created
+# 2. /dev/et-gps created
+
+KERNEL=="ttyUSB[0-9]*", SUBSYSTEM=="tty", ATTRS{serial}=="IC-7100*", \
+    ENV{ET_DEVICE}="IC-7100"
+
+# Create consistent device name/path for the CAT serial device
+# Unset the incorrect flagging of this being a GPS device.
+ENV{ET_DEVICE}=="IC-7100", SUBSYSTEMS=="usb", ATTRS{bInterfaceNumber}=="00", \
+    ACTION=="add", \
+    ENV{SYSTEMD_WANTS}="", \
+    ENV{ET_SUBDEVICE}="CAT" GROUP="dialout", MODE="0660", SYMLINK+="et-cat"
+
+# Create consistent device name/path for the GPS serial device
+ENV{ET_DEVICE}=="IC-7100", SUBSYSTEMS=="usb", ATTRS{bInterfaceNumber}=="02", \
+    ACTION=="add", \
+    ENV{ET_SUBDEVICE}="GPS" GROUP="dialout", MODE="0660", SYMLINK+="et-gps"
+
+# TODO: Add rules for sound card