ALPHA PRO is a hardwired, full-duplex underwater communication system for conversations between the surface and one or two divers. The system consists of a surface unit and an underwater unit with a Surface/Diver unit cable.  

ALPHA PRO Surface unit includes:

  • 2 ports for 2 communication cables
  • On/off and volume adjustment switches
  • Microphone
  • Switch for communication between surface and diver1, surface and diver 2, surface and diver 1 and diver 2
  • Headset port (headset optional)
  • External power charger, 9/12 v (cable optional)
  • Battery charger port
  • Audio/video recall
  • Incorporated speaker
  • 6 v rechargeable battery
  • Standby autonomy 24 hrs

Surface/Diver unit cable:

  • 50 m (165 ft)
  • Waterproof connections

Underwater unit includes:

  • Waterproof piezoelectric speaker
  • D- Mic microphone
  • Full duplex system
  • Audio/video recall button
  • Comes in either 220 v or 110 v
  • Can purchase Surface/Diver unit cable by itself
  • Can purchase Underwater unit by itself

By adding an additional surface/diver cable and underwater unit, the Alpha Pro may communicate with two divers at the same time. It is also possible for the surface to switch between each of the divers.

Professional surface/diver cable
This cable is available as an accessory to the Alpha Pro. The standard professional cable is 50 m (165 ft) long and includes waterproof rubber connectors and rope, or it may be purchased by the meter.
A carry-bag is included with the professional cable and sold separately as an accessory.

  • 4-wire cable
  • yellow rope exterior
  • 8 mm diameter
  • 1500 Newton resistance