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diff --git a/draft/overlay/sixfab_cellular_shield.md b/draft/overlay/sixfab_cellular_shield.md
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+<!--
+---
+name: Sixfab 3G/4G/LTE Base Shield
+class: board
+type: network
+formfactor: custom
+manufacturer: Sixfab
+description: Connect from anywhere to the internet on a Raspberry Pi
+url: http://sixfab.com/product/3g-4glte-base-shield/
+buy: http://sixfab.com/product/3g-4glte-base-shield/
+image: 'sixfab_cellular_shield.png'
+pincount: 40
+eeprom: yes
+power:
+  '4':
+  '2':
+ground:
+  '6':
+  '9':
+  '14':
+  '20':
+  '25':
+  '30':
+  '34':
+  '39':
+pin:
+  '8':
+    mode: uart
+  '10':
+    mode: uart
+  '16':
+    name: Disable
+  '18':
+    name: Perst
+
+-->
+# Sixfab 3G/4G/LTE Base Shield
+
+This is a cellular add-on board for the Raspberry Pi enabling you to get up to 100 Mbps down and 50 Mbps
+depending on which cellular module you have installed.
+
+Also using the USB connector you can use the shield with Linux, Windows and Android.
diff --git a/draft/overlay/sixfab_gps_shield.md b/draft/overlay/sixfab_gps_shield.md
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+<!--
+---
+name: Sixfab GPS Shield
+class: board
+type: gps
+formfactor: PHAT
+manufacturer: Sixfab
+description: A GPS add-on board for Raspberry Pi
+url: http://sixfab.com/product/gsm-shields/
+buy: http://sixfab.com/product/gsm-shields/
+image: 'sixfab_gps_shield.png'
+pincount: 40
+eeprom: yes
+power:
+  '4':
+  '2':
+ground:
+  '6':
+  '9':
+  '14':
+  '20':
+  '25':
+  '30':
+  '34':
+  '39':
+pin:
+  '8':
+    mode: uart
+  '10':
+    mode: uart
+  '12':
+    name: LED
+  '22':
+    name: Reset
+  '7':
+    name: 1-Wire Pin
+
+-->
+# Sixfab GPS Shield
+
+This is an easy way to add GPS to your pi
+
+Some features include:
+* Location, Time, Speed all on the same NMEA Protocol
+* Built in 1-Wire support
+* Built in antenna
+* Also programmable from Linux, MacOS, Windows, Android
diff --git a/draft/overlay/sixfab_xbee_shield.md b/draft/overlay/sixfab_xbee_shield.md
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+<!--
+---
+name: Sixfab XBee Shield
+class: board
+type: network
+formfactor: PHat
+manufacturer: Sixfab
+description: Use XBee modules with the Raspberry Pi
+url: http://sixfab.com/product/xbee-shield/
+buy: http://sixfab.com/product/xbee-shield/
+image: 'sixfab_xbee_shield.png'
+pincount: 40
+eeprom: yes
+power:
+  '4':
+  '2':
+ground:
+  '6':
+  '9':
+  '14':
+  '20':
+  '25':
+  '30':
+  '34':
+  '39':
+pin:
+  '8':
+    mode: uart
+  '10':
+    mode: uart
+  '18':
+    name: Reset
+  '12':
+    name: LED
+  '7':
+    name: 1-Wire Pin
+-->
+# Sixfab XBee Shield
+
+This add-on board allows you to use XBee modules easily with your Pi.
+Some features include:
+* Headers fit most XBee modules
+* Up to 28 miles range
+* Point to point communication
+* Communication LED's
+* Programable from Linux, Windows and Android