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- P2 vs M300 Plus
CHCNAV P2 vs ComNav M300 Plus
What P2 does better (3) and where M300 Plus wins (2) — every spec side by side.
Why is P2 better than M300 Plus?
- Weight1,000 g vs 2,000 g2×
- Satellite systems supported6 vs 4+50%
- Drop resistance1.2 m vs 1 m+20%
Why is M300 Plus better than P2?
- Tracking channels336 vs 574+71%
- Operating temperature (max)75 °C vs 80 °C+7%
Specifications
Side by side
| Satellite positioning | ||
| Satellite systems | GPS, GLONASS, Galileo, BeiDou, QZSS, NavIC (IRNSS) | GPS, GLONASS, Galileo, BeiDou |
| Satellite systems supported | 6 | 4 |
| Multi-band GNSS (L1 + L5/L2) | Yes | Yes |
| Frequency bands | L1, L2, L5, E1, E5a, E5b, E6, B1, B2, B3, L-band | L1, L2, L5, E1, E5a, E5b, B1, B2, B3 |
| Tracking channels | 336 | 574 |
| SBAS (WAAS / EGNOS) | Yes | Yes |
| RTK positioning | — | Yes |
| RTK accuracy (horizontal) | — | 8 mm |
| Static accuracy (horizontal) | — | 2.5 mm |
| Correction sources | SBAS | NTRIP (internet), Cellular modem, L-band / PPP, SBAS |
| L-band / PPP corrections | — | Yes |
| Raw data logging (RINEX) | — | Yes |
| Maps & navigation | ||
| Internal storage | — | 32 GB |
| Connectivity & safety | ||
| Cellular modem (4G / LTE) | — | Yes |
| Battery & power | ||
| External power input | 9V-36V | — |
| Build & durability | ||
| Protection rating | IP67 | IP67 |
| Water protection (IPx) | IPx7 | IPx7 |
| MIL-STD-810 | Yes | — |
| Drop resistance | 1.2 m | 1 m |
| Operating temperature (min) | -40 °C | -40 °C |
| Operating temperature (max) | 75 °C | 80 °C |
| Weight | 1,000 g | 2,000 g |
| Width | — | 176 mm |
| Height | — | 67 mm |
| Depth | — | 225 mm |
| Housing material | Aluminum alloy | Magnesium-aluminium |
