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- Compare
- eRTK20 vs eRTK30
eSurvey eRTK20 vs eSurvey eRTK30
What eRTK20 does better (0) and where eRTK30 wins (2) — every spec side by side.
Dimensions
Size comparison
eRTK20eRTK30
| eRTK20 | eRTK30 | Difference | |
|---|---|---|---|
| Height | 74 mm | 74 mm | = |
| Width | 136 mm | 134 mm | +2 mm |
| Weight | 890 g | 903 g | −13 g |
Drawn to the same scale from the official dimensions (front and side).
Why is eRTK20 better than eRTK30?
eRTK20 has no measurable advantages in this pair.
Why is eRTK30 better than eRTK20?
- Battery life11 h vs 13 h+18%
- Battery capacity5,800 mAh vs 13,400 mAh2.3×
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) | No | No |
| Frequency bands | L-band | L-band |
| Tracking channels | 1,408 | 1,408 |
| SBAS (WAAS / EGNOS) | Yes | Yes |
| RTK positioning | Yes | Yes |
| RTK accuracy (horizontal) | 8 mm | 8 mm |
| Tilt compensation (IMU) | Yes | — |
| Correction sources | NTRIP (internet), UHF radio, Cellular modem, L-band / PPP, SBAS | NTRIP (internet), UHF radio, Cellular modem, L-band / PPP, SBAS |
| Built-in UHF radio | Yes | Yes |
| L-band / PPP corrections | Yes | Yes |
| Maps & navigation | ||
| Internal storage | 8 GB | 8 GB |
| Connectivity & safety | ||
| Bluetooth | Yes | Yes |
| Cellular modem (4G / LTE) | Yes | Yes |
| USB-C | Yes | Yes |
| Camera | Yes | Yes |
| Battery & power | ||
| Battery life | 11 h | 13 h |
| Battery capacity | 5,800 mAh | 13,400 mAh |
| Power source | Built-in rechargeable | Built-in rechargeable |
| External power input | — | Type-C(PD 12V/1.5A) |
| Build & durability | ||
| Protection rating | IP67 | IP67 |
| Water protection (IPx) | IPx7 | IPx7 |
| Drop resistance | 2 m | 2 m |
| Operating temperature (min) | -30 °C | -30 °C |
| Operating temperature (max) | 65 °C | 65 °C |
| Weight | 890 g | 903 g |
| Width | 136 mm | 134 mm |
| Height | 74 mm | 74 mm |
