diff --git a/docs/Module_BG_4-in-1.md b/docs/Module_BG_4-in-1.md
index 3d296d2..ec091fa 100644
--- a/docs/Module_BG_4-in-1.md
+++ b/docs/Module_BG_4-in-1.md
@@ -29,29 +29,37 @@ If you are only planning on using the PPM interface with transmitter you are rea
 ###Enabling Serial and Telemetry interface
 If you have a transmitter that can support serial communication with the board then you need to wire up the board appropriately. There are two versions of the module and the steps are slightly different.
 
-Check which module you have and based on the pictures below.  If you purchased the module after June 2016 then it is likely that you have a V2 type module.  
+Check which module you have and based on the pictures below.  If you purchased the module after June 2016 then it is likely that you have a V1.1 type module. If you have purchased the version with case it is likely that you have a V1.2 type module.
 
-#### **Version 2 (V2) type modules** 
+#### **Version 1.1 (V1.1) type modules** 
+
+Serial is already enabled and ready to be used.
+ 
+V1.2
+
+<img src="images/v1.2_ISP.jpg" width="340" height="340" /> 
+
+#### **Version 1.1 (V1.1) type modules** 
 
 Solder two bridges over the pads shown in the pictures below. 
  
-V2a
+V1.1a
 
 <img src="images/V2a_Serial_Enable.jpeg" width="300" height="340" /> 
 <img src="images/V2a_zoom_Serial_Enable.jpeg" width="450" height="340" /> 
 
-V2b
+V1.1b
 
 <img src="images/V2b_Serial_Enable.jpeg" width="220" height="340" /> 
 
-V2c (also called 1.2)
+V1.1c (also called 1.2)
 This revision has a 1.2 printed on the board and replaces the 5V linear regulator with a swichting regulator. 
 
 <img src="images/V2c_Serial_Enable.jpeg" width="220" height="340" /> 
 
 You are now ready to go over to [Compiling and Programming](Compiling.md).
 
-#### **Version 1 (V1) module** 
+#### **Version 1.0 (V1.0) module** 
 
 Solder bridges and resistors as illustrated in the picture below.
 <img src="images/V1_Serial_Enable.jpeg" width="500" height="340" />