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- i89 vs Sfaira ONE Plus
CHCNAV i89 vs SingularXYZ Sfaira ONE Plus
What i89 does better (2) and where Sfaira ONE Plus wins (3) — every spec side by side.
vs
5.8Positioning4.1
5.9Connectivity & safety5.9
7.8Battery7.8
8.7Durability5.7
Why is i89 better than Sfaira ONE Plus?
- Water protection (IPx)IPx8 vs IPx5+60%
- Built-in UHF radioYes · Sfaira ONE Plus: No
Why is Sfaira ONE Plus better than i89?
- Weight750 g vs 409 g+83%
- Operating temperature (max)65 °C vs 75 °C+15%
- Operating temperature (min)-40 °C vs -45 °C+-11%
Specifications
Side by side
| Satellite positioning | ||
| Satellite systems | GPS, GLONASS, Galileo, BeiDou, QZSS | GPS, GLONASS, Galileo, BeiDou, QZSS |
| Satellite systems supported | 5 | 5 |
| Multi-band GNSS (L1 + L5/L2) | Yes | Yes |
| Frequency bands | L1, L2, L5, E1, E5a, E5b, E6, B1, B2, B3 | L1, L2, L5, E1, E5a, E5b, E6, B1, B2, B3 |
| Tracking channels | 1,408 | 1,408 |
| SBAS (WAAS / EGNOS) | Yes | — |
| RTK positioning | Yes | Yes |
| RTK accuracy (horizontal) | 8 mm | 8 mm |
| RTK accuracy (vertical) | 15 mm | — |
| Tilt compensation (IMU) | Yes | Yes |
| Correction sources | NTRIP (internet), UHF radio, SBAS | — |
| Built-in UHF radio | Yes | No |
| Raw data logging (RINEX) | Yes | — |
| Maps & navigation | ||
| Internal storage | 8 GB | — |
| Connectivity & safety | ||
| Wi-Fi | Yes | — |
| Bluetooth | Yes | Yes |
| USB-C | Yes | Yes |
| Camera | Yes | — |
| Battery & power | ||
| Battery life | 16 h | 16 h |
| External power input | 5 V / 2 A | 5V DC ≤ 2A |
| Build & durability | ||
| Protection rating | IP68 | IP65 |
| Water protection (IPx) | IPx8 | IPx5 |
| MIL-STD-810 | Yes | — |
| Drop resistance | — | 1.5 m |
| Operating temperature (min) | -40 °C | -45 °C |
| Operating temperature (max) | 65 °C | 75 °C |
| Weight | 750 g | 409 g |
| Width | — | 50 mm |
| Height | — | 149 mm |
| Depth | — | 50 mm |
