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- AR15 vs eRTK20
Archimedes Innovation AR15 vs eSurvey eRTK20
What AR15 does better (4) and where eRTK20 wins (3) — every spec side by side.
Dimensions
Size comparison
AR15eRTK20
| AR15 | eRTK20 | Difference | |
|---|---|---|---|
| Height | 72 mm | 74 mm | −2 mm |
| Width | 139 mm | 136 mm | +3 mm |
| Weight | 890 g | 890 g | = |
Drawn to the same scale from the official dimensions (front and side).
Why is AR15 better than eRTK20?
- Multi-band GNSS (L1 + L5/L2)Yes · eRTK20: No
- Battery life16 h vs 11 h+45%
- Water protection (IPx)IPx8 vs IPx7+14%
- Battery capacity6,500 mAh vs 5,800 mAh+12%
Why is eRTK20 better than AR15?
- RTK accuracy (horizontal)10 mm vs 8 mm+25%
- Operating temperature (min)-25 °C vs -30 °C+-17%
- Operating temperature (max)60 °C vs 65 °C+8%
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 | No |
| Frequency bands | L1, L2, L5, E1, E5a, E5b, E6, B1, B2, B3 | L-band |
| Tracking channels | 1,408 | 1,408 |
| SBAS (WAAS / EGNOS) | Yes | Yes |
| RTK positioning | Yes | Yes |
| RTK accuracy (horizontal) | 10 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, LoRa 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 |
| NFC | Yes | — |
| USB-C | Yes | Yes |
| Camera | Yes | Yes |
| Battery & power | ||
| Battery life | 16 h | 11 h |
| Battery capacity | 6,500 mAh | 5,800 mAh |
| Power source | — | Built-in rechargeable |
| Build & durability | ||
| Protection rating | IP68 | IP67 |
| Water protection (IPx) | IPx8 | IPx7 |
| Drop resistance | 2 m | 2 m |
| Operating temperature (min) | -25 °C | -30 °C |
| Operating temperature (max) | 60 °C | 65 °C |
| Weight | 890 g | 890 g |
| Width | 139 mm | 136 mm |
| Height | 72 mm | 74 mm |
| Depth | 72 mm | — |
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