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- T30 vs GCX3
ComNav T30 vs Sokkia GCX3
What T30 does better (4) and where GCX3 wins (1) — every spec side by side.
Dimensions
Size comparison
T30GCX3
| T30 | GCX3 | Difference | |
|---|---|---|---|
| Height | 73 mm | 197 mm | −124 mm |
| Width | 158 mm | 47 mm | +111 mm |
| Depth | 158 mm | 47 mm | +111 mm |
| Weight | 1,200 g | 440 g | +760 g |
Drawn to the same scale from the official dimensions (front and side).
Why is T30 better than GCX3?
- RTK accuracy (horizontal)8 mm vs 10 mm+25%
- Battery life12 h vs 10 h+20%
- Operating temperature (min)-40 °C vs -20 °C+-50%
- Satellite systems supported6 vs 5+20%
Why is GCX3 better than T30?
- Weight1,200 g vs 440 g2.7×
Specifications
Side by side
| Satellite positioning | ||
| Satellite systems | GPS, GLONASS, Galileo, BeiDou, QZSS, NavIC (IRNSS) | GPS, GLONASS, Galileo, BeiDou, QZSS |
| Satellite systems supported | 6 | 5 |
| Multi-band GNSS (L1 + L5/L2) | Yes | Yes |
| Frequency bands | L1, L2, L5, E1, E5a, E5b, B1, B2, B3 | L1, L2, E1, B1, B2 |
| Tracking channels | 574 | — |
| SBAS (WAAS / EGNOS) | Yes | Yes |
| RTK positioning | Yes | Yes |
| RTK accuracy (horizontal) | 8 mm | 10 mm |
| Static accuracy (horizontal) | 3 mm | — |
| Tilt compensation (IMU) | Yes | — |
| Correction sources | NTRIP (internet), UHF radio, Cellular modem, L-band / PPP, SBAS | SBAS |
| Built-in UHF radio | Yes | — |
| L-band / PPP corrections | 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 | 12 h | 10 h |
| Hot-swappable batteries | Yes | — |
| External power input | 5-27 VDC | Service port (shared with USB2.0 communication) |
| Build & durability | ||
| Protection rating | IP67 | IP67 |
| Water protection (IPx) | IPx7 | IPx7 |
| Drop resistance | 2 m | — |
| Operating temperature (min) | -40 °C | -20 °C |
| Operating temperature (max) | 65 °C | — |
| Weight | 1,200 g | 440 g |
| Width | 158 mm | 47 mm |
| Height | 73 mm | 197 mm |
| Depth | 158 mm | 47 mm |
| Housing material | Magnesium-aluminium | — |









