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EU-Based Full-Service GNSS Solutions

2. Choosing a GNSS Base Station

7b. Choosing a Power Supply

For local power delivery, we recommend using the power adapter that we supply with the base station. It delivers 3 A and provides a wide safety margin to ensure stable operation under any conditions.

If you wish to use your own power adapter, it is best to choose one rated for 2 A without any “fast charging” features. In other words, a simple, inexpensive charger intended for modern smartphones. This ensures stable power during the first few seconds after boot, when the station's power consumption is at its peak.

Attempting to use a computer’s USB port or a power adapter rated for less than 1 A will result in the base station either not starting at all, or operating unstably.

Please do not power the station from “fast” USB chargers or USB hubs from lesser-known brands. Fast chargers using Quick Charge or Power Delivery technologies operate at elevated voltages — up to 20 V or even higher. These voltages will destroy our base stations.

Low-cost chargers often fail to correctly detect when to switch to or from these high voltages. For example, one of our users first charged their iPhone via a USB hub with Power Delivery, and later connected the base station. The hub failed to cut off the elevated voltage, and the entire base station was fried.

For remote advanced base stations, the best power solution is Power over Ethernet (PoE). In this case, your station is connected using only a single Ethernet cable, which simultaneously provides both power and Internet. The supported standard is IEEE 802.3af, the earliest and most common PoE variant.

© Eltehs SIA 2025

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