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- AR15 vs i85
Archimedes Innovation AR15 vs CHCNAV i85
What AR15 does better (2) and where i85 wins (6) — every spec side by side.
Dimensions
Size comparison
AR15i85
| AR15 | i85 | Difference | |
|---|---|---|---|
| Height | 72 mm | 86 mm | −14 mm |
| Width | 139 mm | 134 mm | +5 mm |
| Depth | 72 mm | 134 mm | −62 mm |
| Weight | 890 g | 800 g | +90 g |
Drawn to the same scale from the official dimensions (front and side).
Why is AR15 better than i85?
- Satellite systems supported6 vs 5+20%
- Battery capacity6,500 mAh vs 4,900 mAh+33%
Why is i85 better than AR15?
- RTK accuracy (horizontal)10 mm vs 8 mm+25%
- Battery life16 h vs 20 h+25%
- Weight890 g vs 800 g+11%
- Operating temperature (min)-25 °C vs -40 °C+-38%
- Tracking channels1,408 vs 1,892+34%
- 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 |
| Satellite systems supported | 6 | 5 |
| Multi-band GNSS (L1 + L5/L2) | Yes | Yes |
| Frequency bands | L1, L2, L5, E1, E5a, E5b, E6, B1, B2, B3 | L1, L2, L5, E1, E5a, E5b, E6, B1, B2, B3 |
| Tracking channels | 1,408 | 1,892 |
| SBAS (WAAS / EGNOS) | Yes | Yes |
| RTK positioning | Yes | Yes |
| RTK accuracy (horizontal) | 10 mm | 8 mm |
| RTK accuracy (vertical) | 15 mm | 15 mm |
| Static accuracy (horizontal) | 2.5 mm | — |
| Tilt compensation (IMU) | Yes | Yes |
| Max. tilt angle | 60° | 60° |
| Dual-antenna heading | — | Yes |
| Correction sources | NTRIP (internet), UHF radio, LoRa radio, Cellular modem, L-band / PPP, SBAS | NTRIP (internet), UHF radio, 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 | Yes |
| Bluetooth | Yes | Yes |
| Cellular modem (4G / LTE) | Yes | — |
| NFC | Yes | Yes |
| USB-C | Yes | Yes |
| Camera | Yes | Yes |
| Battery & power | ||
| Battery life | 16 h | 20 h |
| Battery capacity | 6,500 mAh | 4,900 mAh |
| Power source | — | Built-in rechargeable |
| External power input | — | 5V / 2A |
| Build & durability | ||
| Protection rating | IP68 | IP68 |
| Water protection (IPx) | IPx8 | IPx8 |
| MIL-STD-810 | — | Yes |
| Drop resistance | 2 m | 2 m |
| Operating temperature (min) | -25 °C | -40 °C |
| Operating temperature (max) | 60 °C | 65 °C |
| Weight | 890 g | 800 g |
| Width | 139 mm | 134 mm |
| Height | 72 mm | 86 mm |
| Depth | 72 mm | 134 mm |
| Housing material | — | Metal (all-in-one design) |
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