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- eRTK30 vs Archer 4
eSurvey eRTK30 vs Juniper Archer 4
What eRTK30 does better (3) and where Archer 4 wins (1) — every spec side by side.
Dimensions
Size comparison
eRTK30Archer 4
| eRTK30 | Archer 4 | Difference | |
|---|---|---|---|
| Height | 74 mm | 102 mm | −28 mm |
| Width | 134 mm | 42 mm | +92 mm |
| Weight | 903 g | 42 g | +861 g |
Drawn to the same scale from the official dimensions (front and side).
Why is eRTK30 better than Archer 4?
- Tracking channels1,408 vs 1847.7×
- Built-in UHF radioYes · Archer 4: No
- L-band / PPP correctionsYes · Archer 4: No
Why is Archer 4 better than eRTK30?
- Weight903 g vs 42 g21.5×
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 | 184 |
| SBAS (WAAS / EGNOS) | Yes | — |
| RTK positioning | Yes | Yes |
| RTK accuracy (horizontal) | 8 mm | — |
| Correction sources | NTRIP (internet), UHF radio, Cellular modem, L-band / PPP, SBAS | NTRIP (internet) |
| Built-in UHF radio | Yes | No |
| L-band / PPP corrections | Yes | No |
| Maps & navigation | ||
| Internal storage | 8 GB | — |
| Connectivity & safety | ||
| Bluetooth | Yes | — |
| Cellular modem (4G / LTE) | 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 | Type-C(PD 12V/1.5A) | — |
| Build & durability | ||
| Protection rating | IP67 | — |
| Water protection (IPx) | IPx7 | — |
| Drop resistance | 2 m | — |
| Operating temperature (min) | -30 °C | — |
| Operating temperature (max) | 65 °C | — |
| Weight | 903 g | 42 g |
| Width | 134 mm | 42 mm |
| Height | 74 mm | 102 mm |
| Depth | — | 34 mm |
| Housing material | — | N/A |
