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- CGI-830 vs eRTK30
CHCNAV CGI-830 vs eSurvey eRTK30
What CGI-830 does better (2) and where eRTK30 wins (1) — every spec side by side.
Dimensions
Size comparison
CGI-830eRTK30
| CGI-830 | eRTK30 | Difference | |
|---|---|---|---|
| Height | 53 mm | 74 mm | −21 mm |
| Width | 120 mm | 134 mm | −14 mm |
| Weight | 1,150 g | 903 g | +247 g |
Drawn to the same scale from the official dimensions (front and side).
Why is CGI-830 better than eRTK30?
- Operating temperature (min)-40 °C vs -30 °C+-25%
- Operating temperature (max)75 °C vs 65 °C+15%
Why is eRTK30 better than CGI-830?
- Weight1,150 g vs 903 g+27%
Specifications
Side by side
| Satellite positioning | ||
| Satellite systems | — | GPS, GLONASS, Galileo, BeiDou, QZSS, NavIC (IRNSS) |
| Satellite systems supported | — | 6 |
| Multi-band GNSS (L1 + L5/L2) | — | No |
| Frequency bands | — | L-band |
| Tracking channels | — | 1,408 |
| SBAS (WAAS / EGNOS) | — | Yes |
| RTK positioning | — | Yes |
| RTK accuracy (horizontal) | — | 8 mm |
| Tilt compensation (IMU) | Yes | — |
| Correction sources | NTRIP (internet), Cellular modem | NTRIP (internet), UHF radio, Cellular modem, L-band / PPP, SBAS |
| Built-in UHF radio | — | Yes |
| L-band / PPP corrections | — | Yes |
| Maps & navigation | ||
| Internal storage | — | 8 GB |
| Connectivity & safety | ||
| Wi-Fi | Yes | — |
| Bluetooth | — | Yes |
| Cellular modem (4G / LTE) | Yes | Yes |
| USB-C | — | Yes |
| Camera | — | Yes |
| Battery & power | ||
| Battery life | — | 13 h |
| Battery capacity | — | 13,400 mAh |
| Power source | — | Built-in rechargeable |
| External power input | 9 V ~ 32 V DC Standard Adaptation 12 V DC | Type-C(PD 12V/1.5A) |
| Build & durability | ||
| Protection rating | IP67 | IP67 |
| Water protection (IPx) | IPx7 | IPx7 |
| MIL-STD-810 | Yes | — |
| Drop resistance | — | 2 m |
| Operating temperature (min) | -40 °C | -30 °C |
| Operating temperature (max) | 75 °C | 65 °C |
| Weight | 1,150 g | 903 g |
| Width | 120 mm | 134 mm |
| Height | 53 mm | 74 mm |
| Depth | 162 mm | — |
