GP 3500 vs Air
| Minelab GP 3500 | Quest Air | |
|---|---|---|
| Technology | PI | VLF |
| Frequency | N/A | 10 kHz |
| Frequency Type | — | — |
| Frequency Tech | MPS/DVT | Single Frequency |
| Weight | 2.4 kg | 0.9 kg |
| Price | $2000 | — |
| Best For | Gold Prospecting | Travel, Casual, Coins |
| Waterproof | Yes | Yes |
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