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- i85 vs eBase 30
CHCNAV i85 vs eSurvey eBase 30
What i85 does better (6) and where eBase 30 wins (2) — every spec side by side.
Dimensions
Size comparison
i85eBase 30
| i85 | eBase 30 | Difference | |
|---|---|---|---|
| Height | 86 mm | 110 mm | −24 mm |
| Width | 134 mm | 151 mm | −17 mm |
| Depth | 134 mm | 151 mm | −17 mm |
| Weight | 800 g | 1,300 g | −500 g |
Drawn to the same scale from the official dimensions (front and side).
Why is i85 better than eBase 30?
- Battery life20 h vs 13 h+54%
- Multi-band GNSS (L1 + L5/L2)Yes · eBase 30: No
- Weight800 g vs 1,300 g+62%
- Drop resistance2 m vs 1.2 m+67%
- Tracking channels1,892 vs 1,408+34%
- Operating temperature (min)-40 °C vs -30 °C+-25%
Why is eBase 30 better than i85?
- Battery capacity4,900 mAh vs 24,000 mAh4.9×
- Satellite systems supported5 vs 6+20%
Specifications
Side by side
| Satellite positioning | ||
| Satellite systems | GPS, GLONASS, Galileo, BeiDou, QZSS | GPS, GLONASS, Galileo, BeiDou, QZSS, NavIC (IRNSS) |
| Satellite systems supported | 5 | 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 | 1,892 | 1,408 |
| SBAS (WAAS / EGNOS) | Yes | Yes |
| RTK positioning | Yes | Yes |
| RTK accuracy (horizontal) | 8 mm | 8 mm |
| RTK accuracy (vertical) | 15 mm | 15 mm |
| Static accuracy (horizontal) | — | 2.5 mm |
| Tilt compensation (IMU) | Yes | — |
| Max. tilt angle | 60° | — |
| Dual-antenna heading | Yes | — |
| Correction sources | NTRIP (internet), UHF radio, 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 |
| Raw data logging (RINEX) | — | Yes |
| Maps & navigation | ||
| Internal storage | 8 GB | 8 GB |
| Connectivity & safety | ||
| Wi-Fi | Yes | Yes |
| Bluetooth | Yes | Yes |
| Cellular modem (4G / LTE) | — | Yes |
| NFC | Yes | — |
| USB-C | Yes | Yes |
| Camera | Yes | — |
| Battery & power | ||
| Battery life | 20 h | 13 h |
| Battery capacity | 4,900 mAh | 24,000 mAh |
| Power source | Built-in rechargeable | Built-in rechargeable |
| External power input | 5V / 2A | Type-C PD (12V/1.5A), 5-pin (15V/2A) |
| Build & durability | ||
| Protection rating | IP68 | IP68 |
| Water protection (IPx) | IPx8 | IPx8 |
| MIL-STD-810 | Yes | — |
| Drop resistance | 2 m | 1.2 m |
| Operating temperature (min) | -40 °C | -30 °C |
| Operating temperature (max) | 65 °C | 65 °C |
| Weight | 800 g | 1,300 g |
| Width | 134 mm | 151 mm |
| Height | 86 mm | 110 mm |
| Depth | 134 mm | 151 mm |
| Housing material | Metal (all-in-one design) | Magnalium |
