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- A300 vs R780
ComNav A300 vs Trimble R780
What A300 does better (3) and where R780 wins (1) — every spec side by side.
Dimensions
Size comparison
A300R780
| A300 | R780 | Difference | |
|---|---|---|---|
| Height | 126 mm | 130 mm | −4 mm |
| Width | 250 mm | 139 mm | +111 mm |
| Weight | 2,000 g | 1,550 g | +450 g |
Drawn to the same scale from the official dimensions (front and side).
Why is A300 better than R780?
- Tracking channels965 vs 672+44%
- Static accuracy (horizontal)2.5 mm vs 3 mm+20%
- Operating temperature (max)75 °C vs 65 °C+15%
Why is R780 better than A300?
- Weight2,000 g vs 1,550 g+29%
Specifications
Side by side
| Satellite positioning | ||
| Satellite systems | GPS, GLONASS, Galileo, BeiDou, QZSS, NavIC (IRNSS) | GPS, GLONASS, Galileo, BeiDou, QZSS, NavIC (IRNSS) |
| Satellite systems supported | 6 | 6 |
| Multi-band GNSS (L1 + L5/L2) | — | Yes |
| Frequency bands | — | L1, L2, L5, E1, E5a, E5b, E6, B1, B2, B3 |
| Tracking channels | 965 | 672 |
| GNSS engine | — | Trimble Maxwell 7 |
| SBAS (WAAS / EGNOS) | Yes | Yes |
| RTK positioning | Yes | Yes |
| RTK accuracy (horizontal) | 8 mm | 8 mm |
| Static accuracy (horizontal) | 2.5 mm | 3 mm |
| Tilt compensation (IMU) | — | Yes |
| Correction sources | NTRIP (internet), UHF radio, Cellular modem, SBAS | NTRIP (internet), UHF radio, L-band / PPP, SBAS |
| Built-in UHF radio | Yes | Yes |
| L-band / PPP corrections | — | Yes |
| Maps & navigation | ||
| Internal storage | — | 9 GB |
| Connectivity & safety | ||
| Wi-Fi | — | Yes |
| Bluetooth | Yes | Yes |
| Cellular modem (4G / LTE) | Yes | — |
| USB-C | Yes | — |
| Battery & power | ||
| Battery life | — | 6 h |
| External power input | 6-36 | — |
| Build & durability | ||
| Protection rating | IP68 | IP68 |
| Water protection (IPx) | IPx8 | IPx8 |
| MIL-STD-810 | — | Yes |
| Drop resistance | 2 m | — |
| Operating temperature (min) | -40 °C | -40 °C |
| Operating temperature (max) | 75 °C | 65 °C |
| Weight | 2,000 g | 1,550 g |
| Width | 250 mm | 139 mm |
| Height | 126 mm | 130 mm |
| Depth | 250 mm | — |
| Housing material | FRP cover & aluminum alloy base | Marine Aluminium |
