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- i89 vs N5 IMU
CHCNAV i89 vs ComNav N5 IMU
What i89 does better (3) and where N5 IMU wins (2) — every spec side by side.
Why is i89 better than N5 IMU?
- Weight750 g vs 1,200 g+60%
- Water protection (IPx)IPx8 vs IPx7+14%
- Tracking channels1,408 vs 1,198+18%
Why is N5 IMU better than i89?
- Battery life16 h vs 25 h+56%
- Satellite systems supported5 vs 6+20%
Specifications
Side by side
| Satellite positioning | ||
| Satellite systems | GPS, GLONASS, Galileo, BeiDou, QZSS | GPS, GLONASS, Galileo, BeiDou, QZSS, NavIC (IRNSS) |
| Satellite systems supported | 5 | 6 |
| 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, B1, B2, B3 |
| Tracking channels | 1,408 | 1,198 |
| SBAS (WAAS / EGNOS) | Yes | Yes |
| RTK positioning | Yes | Yes |
| RTK accuracy (horizontal) | 8 mm | 8 mm |
| RTK accuracy (vertical) | 15 mm | — |
| Static accuracy (horizontal) | — | 3 mm |
| Tilt compensation (IMU) | Yes | Yes |
| Correction sources | NTRIP (internet), UHF radio, SBAS | NTRIP (internet), UHF radio, Cellular modem, L-band / PPP, SBAS |
| Built-in UHF radio | Yes | Yes |
| L-band / PPP corrections | — | Yes |
| Raw data logging (RINEX) | Yes | — |
| Maps & navigation | ||
| Internal storage | 8 GB | 8 GB |
| Connectivity & safety | ||
| Wi-Fi | Yes | — |
| Bluetooth | Yes | Yes |
| Cellular modem (4G / LTE) | — | Yes |
| USB-C | Yes | — |
| Camera | Yes | — |
| Battery & power | ||
| Battery life | 16 h | 25 h |
| External power input | 5 V / 2 A | 7-28 VDC |
| Build & durability | ||
| Protection rating | IP68 | IP67 |
| Water protection (IPx) | IPx8 | IPx7 |
| MIL-STD-810 | Yes | — |
| Drop resistance | — | 2 m |
| Operating temperature (min) | -40 °C | -40 °C |
| Operating temperature (max) | 65 °C | 65 °C |
| Weight | 750 g | 1,200 g |
| Width | — | 155 mm |
| Height | — | 73 mm |
| Depth | — | 155 mm |
| Housing material | — | Magnesium-aluminium |
