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- AsteRx SBi3 Pro+ vs AsteRx-U3 Marine
Septentrio AsteRx SBi3 Pro+ vs Septentrio AsteRx-U3 Marine
What AsteRx SBi3 Pro+ does better (1) and where AsteRx-U3 Marine wins (0) — every spec side by side.
vs
6.4Positioning7.1
8.8Maps & navigation8.8
8.5Durability2.4
Dimensions
Size comparison
AsteRx SBi3 Pro+AsteRx-U3 Marine
| AsteRx SBi3 Pro+ | AsteRx-U3 Marine | Difference | |
|---|---|---|---|
| Height | 36 mm | 45 mm | −9 mm |
| Width | 102 mm | 245 mm | −143 mm |
| Depth | 118 mm | 157 mm | −39 mm |
| Weight | 490 g | 1,500 g | −1,010 g |
Drawn to the same scale from the official dimensions (front and side).
Why is AsteRx SBi3 Pro+ better than AsteRx-U3 Marine?
- Weight490 g vs 1,500 g3.1×
Why is AsteRx-U3 Marine better than AsteRx SBi3 Pro+?
AsteRx-U3 Marine has no measurable advantages in this pair.
Specifications
Side by side
| Satellite positioning | ||
| Satellite systems | GPS, GLONASS, Galileo, BeiDou, QZSS, NavIC (IRNSS) | GPS, GLONASS, Galileo, BeiDou, QZSS, NavIC (IRNSS) |
| Satellite systems supported | 6 | 6 |
| Tracking channels | 544 | 544 |
| SBAS (WAAS / EGNOS) | Yes | Yes |
| Tilt compensation (IMU) | Yes | — |
| Dual-antenna heading | Yes | Yes |
| Correction sources | L-band / PPP, SBAS | NTRIP (internet), UHF radio, Cellular modem, L-band / PPP, SBAS |
| Built-in UHF radio | — | Yes |
| L-band / PPP corrections | Yes | Yes |
| Maps & navigation | ||
| Internal storage | 16 GB | 16 GB |
| Connectivity & safety | ||
| Wi-Fi | — | Yes |
| Bluetooth | — | Yes |
| Cellular modem (4G / LTE) | — | Yes |
| Build & durability | ||
| Protection rating | IP68 | — |
| Water protection (IPx) | IPx8 | — |
| MIL-STD-810 | Yes | Yes |
| Operating temperature (min) | -30 °C | -30 °C |
| Operating temperature (max) | 65 °C | 65 °C |
| Weight | 490 g | 1,500 g |
| Width | 102 mm | 245 mm |
| Height | 36 mm | 45 mm |
| Depth | 118 mm | 157 mm |
| Housing material | Ruggedized enclosure | Ruggedized enclosure IP68 |
