The Ocean Technology Systems (OTS) Aquacom STX-101 surface transceiver is a 5-watt, 4-channel, single sideband underwater telephone designed with the Professional Search and Rescue Teams in mind. The OTS Aquacom STX-101 offers four channels that match the SSB-2010. This system is tough, powerful and a must for any serious Search and Rescue Team. All you have to do is lower the transducer cable into the water and all divers within range and same frequency will be able to communicate. Please see the compatibility chart below for a list of compatible systems. Please see the OVERVIEW tab for a list of compatible diving communication systems.

5-Watt, 4 Single Sideband Channels that match the SSB-2010 diver transceivers
Provides total communication control with all free swimming scuba divers that are equipped with the Buddy Phone or Aquacom diver transceivers

Nominal Range - Calm seas: Greater than 1,500 m
Frequency Range - 30 to 35 kHz
Audio Bandwidth - 300 to 3,500 Hz
Automatic Gain Control - 120 dB dynamic range (AGC)
Acoustic Output Power - 5 Watts (Nominal)
Microphone/Speaker - Hand-held, dynamic, 200 Ohm/Heavy duty front panel speaker with On/Off control
Transducer - Piezoelectric type on a 35 ft. cable
External Power - 12 VDC at minimum of 4 amps
Battery Type and Life - (2) 6 Volt lantern battery (Alkaline or optional Rechargeable batteries also available 392008-000). 20 hrs continuous use assuming 10% duty cycle
Squelch - User adjustable from the front panel
Receiver Sensitivity - Greater than 100 dBv
Height - 6.5in (16.5cm)
Width - 14in (35.6cm)
Diameter - 10.6in (26.9cm)
Weight - 13.75 lbs with battery