Data Sheet
channel@makerfabs.com                                                                                            www.makerfabs.com   
D9 - Power ON/OFF Control of SIM808 (High active) 
D10 - Unused 
D11 - Unused 
D12 - Unused 
D13 - Unused 
D14(A0) - Unused 
D15(A1) - Unused 
D16(A2) - Unused 
D17(A3) - Unused 
D18(A4) - Unused 
D19(A5) – Unused 
Application 
[Case one]: GPRS Connectivity 
SIM808 is a GPRS/GSM+ GPS Quad-band module, with this board, user can create IOT 
project such as data acquisition, remote controlling, GPS tracker and so on. The following 
simple application is use it as GPS tracker, to get your current location information. You 
can post your location information to the Google Maps then draw your trip. 
1.  Insert a Micro SIM card 
The SIM808 GPS Tracker board uses the micro SIM card that is widely used in Android 
phone, install the Micro SIM card to the holder as below picture. 
Note  that  some  fee  maybe  needed  for each  SMS  depends  on your  local GSM 
Operator,  make  sure  that  the  SIM  Card  is  active  and  enough  money  left  for  this 
application.   







