diff --git a/Makefile.am b/Makefile.am
index fdf26b69..f3935e8c 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -575,7 +575,8 @@ doc_files = doc/overview.txt doc/ofono-paper.txt doc/release-faq.txt \
 			doc/audio-settings-api.txt doc/text-telephony-api.txt \
 			doc/calypso-modem.txt doc/message-api.txt \
 			doc/location-reporting-api.txt \
-			doc/certification.txt doc/siri-api.txt
+			doc/certification.txt doc/siri-api.txt \
+			doc/telit-modem.txt
 
 
 test_scripts = test/backtrace \
diff --git a/doc/telit-modem.txt b/doc/telit-modem.txt
new file mode 100644
index 00000000..1627fb4c
--- /dev/null
+++ b/doc/telit-modem.txt
@@ -0,0 +1,19 @@
+oFono - Open Source Telephony
+*****************************
+
+Purpose
+=======
+The purpose of this document is to identify issues and configuration
+requirements with Telit's modems.
+
+HE910
+=====
+
+GPS:
+  To enable location reporting on the Telit HE910 the modem needs to be
+  switched to Port Configuration #8. Please refer to Telit's
+  'HE910 UE910 Family Ports Arrangements' section 4.1.3 for rationale and
+  'AT Commands Reference Guide' section 3.5.7.1.96 for specific AT command.
+  After setting the configuration, a power cycle is required.
+  Port Configiuration #8 is available since firmware 12.00.004. Firmware version
+  can be checked using 'AT+CGMR'.