Quick Start Guide
www.geolink.io 
Quick Start Guide (1.4)  OpenTracker 2.4  1 
OpenTracker 2.4 
Quick Start Guide 
1. Insert the SIM Card 
OpenTracker has one Micro SIM slot. Larger SIM cards can be cut into micro SIM format in any shop that sells SIM 
Cards or Mobile phones. 
1. Unlock slot 
2. Open cover 
3. Insert SIM 
4. Close slot and lock it 
For your convenience the SIM PIN should be deactivated. 
If this is not an option, the SIM PIN has to be entered into the “tracker.h” and flashed into the Tracker.  
Take note of the IMEI code printed on the modem label (you may also scan the QR code) because you 
will need this number to register your device on the Geolink website. 
2. Connect the antennas 
Take the antenna cable ends, plug them one after another into the antenna 
connector on the OpenTracker. Turn the antenna cable connector clockwise. 
Ensure to connect the antennas tightly. 
Make sure to plug the GPS/GLONASS antenna (here shown orange) into the 
connector labeled GPS  on the board and the  GSM  antenna  (here  shown in 
blue) into the connector labeled GSM. 
3. Connect MOLEX Cable 
Ensure the latch on the connector is facing up as shown in the picture. 
Push the connector until it clicks. 




