GP 3500 vs Invenio Pro
| Minelab GP 3500 | Nokta Invenio Pro | |
|---|---|---|
| Technology | PI | VLF |
| Frequency | N/A | 5, 14, 20 kHz |
| Frequency Type | — | — |
| Frequency Tech | MPS/DVT | Multi-Select |
| Weight | 2.4 kg | 5.0 kg |
| Price | $2000 | $4990 |
| Best For | Gold Prospecting | Deep Treasure, Archaeology |
| Waterproof | Yes | Yes |
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