This comprehensive technical guide outlines every stage of the setup—from hardware preparation and network requirements to critical SMS command protocols and troubleshooting practices. Step 1: Pre-Setup and Hardware Prerequisites
Choose "PNP" or "Hardwired" based on your specific model. 4. Verification & Testing
[Unit] Description=gpsuinet GPS daemon After=network.target gpsuinet setup
Before starting, ensure you have:
Move the tracker outside to an open area for 5–10 minutes to secure a direct line of sight with GPS satellites. Wrong password or device IMEI hasn't hit the server yet. This comprehensive technical guide outlines every stage of
Ensure no other application (like a serial monitor or another instance of u-center) is using the COM port.
Insert a standard SIM card into the device's slot. Ensure the PIN code is disabled and it has an active data/SMS plan. Memory Card: Insert a standard SIM card into the device's slot
Securely connect your GPS or GNSS receiver to the primary networking gateway via the designated USB interface or serial COM port. Position the external GPS puck antenna with a completely . Avoid placing the antenna beneath metal infrastructure, thick vehicle pillars, or dense engine compartments, as this degrades satellite geometry calculations and results in high Dilution of Precision (DOP) errors. 2. Network Gateway and Router Configuration