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- Compare
- eRTK20 vs eRTK80
eSurvey eRTK20 vs eSurvey eRTK80
What eRTK20 does better (3) and where eRTK80 wins (1) — every spec side by side.
Dimensions
Size comparison
eRTK20eRTK80
| eRTK20 | eRTK80 | Difference | |
|---|---|---|---|
| Height | 74 mm | 78 mm | −4 mm |
| Width | 136 mm | 159 mm | −23 mm |
| Weight | 890 g | 1,100 g | −210 g |
Drawn to the same scale from the official dimensions (front and side).
Why is eRTK20 better than eRTK80?
- Battery life11 h vs 10 h+10%
- Weight890 g vs 1,100 g+24%
- Battery capacity5,800 mAh vs 3,400 mAh+71%
Why is eRTK80 better than eRTK20?
- Water protection (IPx)IPx7 vs IPx8+14%
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 |
| RTK accuracy (vertical) | — | 15 mm |
| Static accuracy (horizontal) | — | 2.5 mm |
| Tilt compensation (IMU) | Yes | Yes |
| Max. tilt angle | — | 60° |
| 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 | ||
| Wi-Fi | — | Yes |
| Bluetooth | Yes | Yes |
| Cellular modem (4G / LTE) | Yes | Yes |
| USB-C | Yes | Yes |
| Camera | Yes | Yes |
| Battery & power | ||
| Battery life | 11 h | 10 h |
| Battery capacity | 5,800 mAh | 3,400 mAh |
| Power source | Built-in rechargeable | Removable rechargeable pack |
| Hot-swappable batteries | — | Yes |
| Build & durability | ||
| Protection rating | IP67 | IP68 |
| Water protection (IPx) | IPx7 | IPx8 |
| Drop resistance | 2 m | 2 m |
| Operating temperature (min) | -30 °C | -30 °C |
| Operating temperature (max) | 65 °C | 65 °C |
| Weight | 890 g | 1,100 g |
| Width | 136 mm | 159 mm |
| Height | 74 mm | 78 mm |
| Depth | — | 159 mm |
