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- Compare
- Reach RS4 vs AsteRx SBi3 Pro+
Emlid Reach RS4 vs Septentrio AsteRx SBi3 Pro+
What Reach RS4 does better (1) and where AsteRx SBi3 Pro+ wins (0) — every spec side by side.
vs
9.7Positioning6.4
9.2Durability8.5
Why is Reach RS4 better than AsteRx SBi3 Pro+?
- Operating temperature (min)-40 °C vs -30 °C+-25%
Why is AsteRx SBi3 Pro+ better than Reach RS4?
AsteRx SBi3 Pro+ 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 |
| Multi-band GNSS (L1 + L5/L2) | Yes | — |
| Frequency bands | L1, L2, L5, E1, E5a, E6, B1, B2, B3 | — |
| Tracking channels | — | 544 |
| SBAS (WAAS / EGNOS) | — | Yes |
| RTK positioning | Yes | — |
| RTK accuracy (horizontal) | 7 mm | — |
| Tilt compensation (IMU) | Yes | Yes |
| Dual-antenna heading | — | Yes |
| Correction sources | NTRIP (internet), UHF radio, LoRa radio | L-band / PPP, SBAS |
| Built-in UHF radio | Yes | — |
| L-band / PPP corrections | — | Yes |
| Maps & navigation | ||
| Internal storage | — | 16 GB |
| Connectivity & safety | ||
| USB-C | Yes | — |
| Battery & power | ||
| Battery life | 16 h | — |
| Build & durability | ||
| Protection rating | IP68 | IP68 |
| Water protection (IPx) | IPx8 | IPx8 |
| MIL-STD-810 | — | Yes |
| Operating temperature (min) | -40 °C | -30 °C |
| Operating temperature (max) | 65 °C | 65 °C |
| Weight | — | 490 g |
| Width | — | 102 mm |
| Height | — | 36 mm |
| Depth | — | 118 mm |
| Housing material | Magnesium alloy | Ruggedized enclosure |









