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- i89 vs Reach RS3
CHCNAV i89 vs Emlid Reach RS3
What i89 does better (0) and where Reach RS3 wins (0) — every spec side by side.
Why is i89 better than Reach RS3?
i89 has no measurable advantages in this pair.
Why is Reach RS3 better than i89?
Reach RS3 has no measurable advantages in this pair.
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, E1, E5b, B1, B2 |
| Tracking channels | 1,408 | — |
| SBAS (WAAS / EGNOS) | Yes | — |
| RTK positioning | Yes | Yes |
| RTK accuracy (horizontal) | 8 mm | — |
| RTK accuracy (vertical) | 15 mm | — |
| Tilt compensation (IMU) | Yes | Yes |
| Correction sources | NTRIP (internet), UHF radio, SBAS | NTRIP (internet), UHF radio, LoRa radio, Cellular modem |
| Built-in UHF radio | Yes | Yes |
| Raw data logging (RINEX) | Yes | — |
| Maps & navigation | ||
| Internal storage | 8 GB | — |
| Connectivity & safety | ||
| Wi-Fi | Yes | Yes |
| Bluetooth | Yes | — |
| Cellular modem (4G / LTE) | — | Yes |
| USB-C | Yes | Yes |
| Camera | Yes | — |
| Battery & power | ||
| Battery life | 16 h | — |
| External power input | 5 V / 2 A | — |
| Build & durability | ||
| Protection rating | IP68 | — |
| Water protection (IPx) | IPx8 | — |
| MIL-STD-810 | Yes | — |
| Operating temperature (min) | -40 °C | — |
| Operating temperature (max) | 65 °C | — |
| Weight | 750 g | — |
