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- T20 vs Archer 4
ComNav T20 vs Juniper Archer 4
What T20 does better (3) and where Archer 4 wins (1) — every spec side by side.
Dimensions
Size comparison
T20Archer 4
| T20 | Archer 4 | Difference | |
|---|---|---|---|
| Height | 48 mm | 102 mm | −54 mm |
| Width | 149 mm | 42 mm | +107 mm |
| Weight | 680 g | 42 g | +638 g |
Drawn to the same scale from the official dimensions (front and side).
Why is T20 better than Archer 4?
- Tracking channels1,590 vs 1848.6×
- Built-in UHF radioYes · Archer 4: No
- L-band / PPP correctionsYes · Archer 4: No
Why is Archer 4 better than T20?
- Weight680 g vs 42 g16.2×
Specifications
Side by side
| Satellite positioning | ||
| Satellite systems | GPS, GLONASS, Galileo, BeiDou, QZSS | — |
| Satellite systems supported | 5 | — |
| Tracking channels | 1,590 | 184 |
| SBAS (WAAS / EGNOS) | Yes | — |
| RTK positioning | — | Yes |
| Static accuracy (horizontal) | 3 mm | — |
| Tilt compensation (IMU) | Yes | — |
| 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 | — |
| Battery & power | ||
| Battery life | 12 h | — |
| External power input | 5/9V | — |
| Build & durability | ||
| Protection rating | IP67 | — |
| Water protection (IPx) | IPx7 | — |
| Drop resistance | 2 m | — |
| Operating temperature (min) | -30 °C | — |
| Operating temperature (max) | 65 °C | — |
| Weight | 680 g | 42 g |
| Width | 149 mm | 42 mm |
| Height | 48 mm | 102 mm |
| Depth | — | 34 mm |
| Housing material | Magnesium aluminum alloy | N/A |
