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GPS & navigation
GPS devices by correction sources
6 options, from the most common to the rarest: how many models use each, typical prices and the best pick.
| Correction sources | Models | Typical price | Years | Best model |
|---|---|---|---|---|
| SBAS | 112 | — | 2017–2026 | NovAtel PwrPak7-E2 |
| NTRIP (internet) | 102 | $2,350–3,900 | 2017–2026 | Emlid Reach RX2 |
| UHF radio | 87 | $2,900–3,900 | 2017–2026 | Emlid Reach RS4 |
| L-band / PPP | 84 | — | 2017–2026 | Eos Arrow 100+ |
| Cellular modem | 82 | $2,900–3,000 | 2017–2026 | Archimedes Innovation D600 |
| LoRa radio | 15 | $2,900–3,900 | 2023–2026 | Emlid Reach RS4 |