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- i89 vs SL7
CHCNAV i89 vs SatLab SL7
What i89 does better (0) and where SL7 wins (1) — every spec side by side.
Why is i89 better than SL7?
i89 has no measurable advantages in this pair.
Why is SL7 better than i89?
- Battery life16 h vs 24 h+50%
Specifications
Side by side
| Satellite positioning | ||
| Satellite systems | GPS, GLONASS, Galileo, BeiDou, QZSS | — |
| Satellite systems supported | 5 | — |
| Multi-band GNSS (L1 + L5/L2) | Yes | — |
| Frequency bands | 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 | — |
| RTK accuracy (vertical) | 15 mm | — |
| Tilt compensation (IMU) | Yes | — |
| Correction sources | NTRIP (internet), UHF radio, SBAS | — |
| Built-in UHF radio | Yes | — |
| Raw data logging (RINEX) | Yes | — |
| Maps & navigation | ||
| Internal storage | 8 GB | — |
| Connectivity & safety | ||
| Wi-Fi | Yes | — |
| Bluetooth | Yes | — |
| USB-C | Yes | — |
| Camera | Yes | Yes |
| Battery & power | ||
| Battery life | 16 h | 24 h |
| Battery capacity | — | 6,800 mAh |
| Power source | — | Built-in rechargeable |
| External power input | 5 V / 2 A | — |
| Build & durability | ||
| Protection rating | IP68 | IP68 |
| Water protection (IPx) | IPx8 | IPx8 |
| MIL-STD-810 | Yes | — |
| Operating temperature (min) | -40 °C | — |
| Operating temperature (max) | 65 °C | — |
| Weight | 750 g | 750 g |
| Width | — | 130 mm |
| Height | — | 68 mm |
