SubVox Diver: Push-to-Talk Telephony
SubVox Diver No more guessing
Just speak underwater
SubVox Diver is a wireless diver-worn telephone that brings real voice communication up to 1000 m — with a built-in locating pinger for position, too.
What it does
- Diver-to-surface voice contact — the diver and surface station exchange push-to-talk voice messages up to 1000 m apart
- Diver-to-diver voice contact — divers on the same channel talk to each other directly, no surface relay required
- Position logged with every transmission — the system records the diver's position every time they release PTT
Distinctive features
- Automatic activation on water immersion — no manual switch required
- Up to 20 hours in reception mode — full-shift coverage without recharging
- Fully molded maintenance-free polyurethane housing — no moving parts, no seals to replace
- Compatible with most analog diver communication systems — OTS, Ocean Reef and similar equipment
- Built-in voice activity detector and automatic squelch — cuts background noise and dead air automatically
- Works with most headsets on the market — no need to switch out the diver's mask setup
SubVox Diver solves a problem every dive team knows: once someone's underwater, staying in touch usually means hand signals, a tug on the line or nothing at all. It replaces all three with real push-to-talk voice — diver to surface, diver to diver — in one unit worn on the tank, switched on the moment it hits the water. Up to 20 hours in reception mode covers a full working shift. And releasing the talk button does more than end the message: with an EchoTrace buoy array on the surface, that same release sends a locating signal, so the surface knows not just what was said, but where the diver was when they said it. One button. Voice through. Position marked.
System components
Downloads
Full specifications (PDF, 1.1 MB)Specifications
Acoustics
| Operating range | 1000 m |
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| Voice bandwidth | 300–4300 Hz |
| Source level | 150 dB re 1 µPa @ 1 m |
Electrical
| Battery (receive) | Up to 20 h |
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| Activation | Automatic on water immersion |
Interface
| Position logging | Integrated pinger |
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| Compatibility | OTS, Ocean Reef, standard analog |
Mechanical
| Housing | Fully molded polyurethane, maintenance-free |
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Environment
| Operating depth | 100 m |
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