diff --git a/etc/t3hs/sim800 b/etc/t3hs/sim800
new file mode 100644
index 0000000..fa7b0fc
--- /dev/null
+++ b/etc/t3hs/sim800
@@ -0,0 +1,13 @@
+GPIO_PIN=34
+
+MQTT_HOST=localhost
+MQTT_PORT=1883
+MQTT_USERNAME=
+MQTT_PASSWORD=
+MQTT_TOPIC=DIMMER/GROUP/DEV2-0065E47E/KEYONE/DWLINK
+
+# DNS addresses also available
+PING_ADDR=1.1.1.1
+PING_PACKETS=5
+PING_TIMEOUT=10
+PING_IFACE=ppp0