Air vs GMT
| Quest Air | White's GMT | |
|---|---|---|
| Technology | VLF | VLF |
| Frequency | 10 kHz | 48 kHz |
| Frequency Type | — | — |
| Frequency Tech | Single Frequency | Single Frequency |
| Weight | 0.9 kg | 1.8 kg |
| Price | — | — |
| Best For | Travel, Casual, Coins | Gold Prospecting |
| Waterproof | Yes | Yes |
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