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Huawei Smart Dongle-4G SDongleA-03-EU 4G Dongle
The Smart Dongle-4G SDongleA-03-EU is the Huawei cellular communication module for SUN2000 inverters: it plugs into the inverter's USB port and connects the system to the FusionSolar portal over the 4G (FDD-LTE / TDD-LTE) mobile network, with fallback to 3G (WCDMA/HSPA+) and 2G (GSM/GPRS/EDGE). It houses a mini-SIM measuring 15 x 25 mm.
It is the typical solution for systems without a fixed connection or reliable Wi-Fi coverage. It works in plug and play mode with a status LED indicator, manages up to 10 daisy-chained devices, draws 3.5 W, weighs 90 g and is IP65 rated, with an operating temperature from -30 °C to +65 °C and a maximum altitude of 4,000 m.
Key features
Technical specifications
| Feature | Value |
|---|---|
| Product code | SDONGLE_A-03-EU |
| Model | SDongleA-03-EU (Smart Dongle-4G) |
| Type | 4G communication module for inverters |
| Interface to the inverter | USB (plug and play) |
| Supported networks | 4G FDD-LTE / TDD-LTE; 3G WCDMA / HSDPA / HSUPA / HSPA+; 2G GSM / GPRS / EDGE |
| SIM | Mini-SIM (15 x 25 mm) |
| Managed devices | Up to 10 inverters |
| Consumption | 3.5 W |
| Protection rating | IP65 |
| Operating temperature | -30 °C ... +65 °C |
| Relative humidity | 5 % ... 95 % RH |
| Max altitude | 4.000 m |
| Dimensions (W x H x D) | 130 x 48 x 33 mm |
| Weight | 90 g |
| Certifications | CE |
| Warranty | Not stated in the official Huawei datasheet |
Documentation
PDFDatasheet SDONGLE_A-03-EUOfficial manufacturer documentPlease check compatibility with your inverter model before ordering.