SimplexSingle frequency
Simplex Ultra
15 kHzFrequency
16 ftDetector, IP68
2.6 lbWeight
View on Amazon Simplex Ultra (opens in a new tab)Affiliate link
Nokta · Single frequency detector
Nokta Simplex Lite
Nokta's Simplex Lite is a single-frequency 15 kHz detector that you can take into the water: IP68 to 16 ft (5 m). It ships with the 9.5 x 6-inch SX24 DD coil.
15 kHzOne frequency
16 ftWaterproof, IP68
2.6 lbWeight, 1.2 kg
| Technology | Single frequency |
|---|---|
| Frequencies | 15 kHz |
| Waterproofing | IP68, detector submersible to 16 ft (5 m) |
| Weight | 2.6 lb (1.2 kg) |
| Coil | SX24, 9.5 x 6-inch elliptical DD |
| Battery | 2300 mAh lithium polymer, built in |
| Battery life | Up to 12 hApprox. 12 h (user manual) |
| Search modes | Field, Park, Beach, All Metal |
| Sensitivity | 30 levels |
| Light | Yes |
| Target ID | 01 to 99 |
| Display | Graphic LCD, backlit |
| Warranty | 3 years |
| Status | In the current range |
Source: Nokta, Simplex Lite product page (opens in a new tab), read Oct. 16, 2026.
Source: Nokta, Simplex new generation (Lite, BT, Ultra) user manual (EN, PDF) (opens in a new tab), read Oct. 17, 2026.
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How it differs from its neighbors
The Simplex Ultra shares the frequency, the weight and the IP68 rating. It adds Bluetooth, the 4 Tone and 99 Tone modes, and a larger 11-inch SX28 coil. Nokta also sells the Lite with the 11-inch SX28 coil.
The Lite and the Ultra both show a 01 to 99 target ID on a Graphic LCD, backlit, with a warranty of 3 years.
For multi-frequency at the same weight, look at Nokta's Score. Its frequencies read Multi, or single 15 kHz, and it weighs 2.6 lb with an IP68 rating to 16 ft.
| Spec | DetectorSimplex Lite | DetectorSimplex Ultra |
|---|---|---|
| Frequencies | 15 kHz | 15 kHz |
| Waterproofing | 16 ftDetector, IP68, 5 m | 16 ftDetector, IP68, 5 m |
| Weight | 2.6 lb1.2 kg | 2.6 lb1.2 kg |
| Battery | 2300 mAh lithium polymer, built in | 2300 mAh lithium polymer, built in |
| Target ID | 01 to 99 | 01 to 99 |
| Display | Graphic LCD, backlit | Graphic LCD, backlit |
View on Amazon Simplex Lite (opens in a new tab)Affiliate link | View on Amazon Simplex Ultra (opens in a new tab)Affiliate link |
Facts from Nokta's page for each model, read Oct. 16, 2026.
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Other Nokta models to compare
Three facts per model on one scale; open a card for its full spec sheet.
SimplexSingle frequency
Simplex+
12 kHzFrequency
10 ftDetector, IP68
2.9 lbWeight
No listing found under this exact model number.
ScoreMulti-frequency
Score
15 kHzFrequency
16 ftDetector, IP68
2.6 lbWeight
View on Amazon Score (opens in a new tab)Affiliate link
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Questions about the Simplex Lite
Answered from Nokta's product page, read Oct. 16, 2026.
Yes. Nokta lists IP68, to 16 ft (5 m) for the whole detector.
The Ultra adds Bluetooth and two audio modes, and ships with the 11-inch SX28 coil. Both run 15 kHz.
Nokta lists 2300 mAh lithium, built in. Its user manual gives about 12 h of runtime. Per the same manual, the speaker, wired headphones and display backlight all shorten it.
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