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- i73+ vs M900
CHCNAV i73+ vs ComNav M900
What i73+ does better (2) and where M900 wins (3) — every spec side by side.
Dimensions
Size comparison
i73+M900
| i73+ | M900 | Difference | |
|---|---|---|---|
| Height | 85 mm | 56 mm | +29 mm |
| Width | 119 mm | 171 mm | −52 mm |
| Depth | 119 mm | 183 mm | −64 mm |
| Weight | 730 g | 1,000 g | −270 g |
Drawn to the same scale from the official dimensions (front and side).
Why is i73+ better than M900?
- Weight730 g vs 1,000 g+37%
- Drop resistance2 m vs 1 m2×
Why is M900 better than i73+?
- Water protection (IPx)IPx7 vs IPx8+14%
- Tracking channels624 vs 1,226+96%
- Operating temperature (max)65 °C vs 75 °C+15%
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 |
| Frequency bands | — | L1, L2, E1, E5b, B1, B2 |
| Tracking channels | 624 | 1,226 |
| SBAS (WAAS / EGNOS) | — | Yes |
| RTK positioning | Yes | Yes |
| RTK accuracy (horizontal) | — | 8 mm |
| Static accuracy (horizontal) | — | 2.5 mm |
| Tilt compensation (IMU) | Yes | — |
| Dual-antenna heading | — | Yes |
| Correction sources | NTRIP (internet), UHF radio | 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 | Yes |
| Maps & navigation | ||
| Internal storage | 8 GB | 8 GB |
| Connectivity & safety | ||
| Wi-Fi | — | Yes |
| Bluetooth | Yes | Yes |
| Cellular modem (4G / LTE) | — | Yes |
| Battery & power | ||
| Battery life | 18 h | — |
| Battery capacity | 6,800 mAh | — |
| Power source | Removable rechargeable pack | — |
| External power input | — | 5-27 VDC |
| Build & durability | ||
| Protection rating | IP67 | IP68 |
| Water protection (IPx) | IPx7 | IPx8 |
| Drop resistance | 2 m | 1 m |
| Operating temperature (min) | -40 °C | -40 °C |
| Operating temperature (max) | 65 °C | 75 °C |
| Weight | 730 g | 1,000 g |
| Width | 119 mm | 171 mm |
| Height | 85 mm | 56 mm |
| Depth | 119 mm | 183 mm |
| Housing material | — | Magnesium-aluminium |
