① Status Light: red and green dual-color light, green is normal, red is low battery

② Electronic Compartment: circuit board inside

③ Watertight Connector: 6-pole, model MCIL8M, pin definition ( 1-6 ): VCC GND POWER ON_TXD RXD GN TXD RXD GND

④ Hydro-acoustic Transducer: send and receive hydro-acoustic signals

⑤ Tether Holes: used to secure mini-acoustic passages and other underwater assets, e.g., ROV, AUV 

⑥ Pressure Relief Valve: relieves internal pressure.

Functional Characteristics

1.Compact product, easy to install

2.Self-contained temperature and depth sensor measuring range: 0~30bar, -20~85℃.

3.Built-in rechargeable battery( 8.4V/3.5A) without external power supply

4.Built-in sleep wake-up module, consumes less than 6mW, which can support underwater standby for a long time.

5.Supports a variety of sleep wake-up methods including serial port wake-up, hydro-acoustic wake-up, RTC wake-up

6.Support half-duplex high-speed hydro-acoustic communication out of the typical communication rate of 1~4.5Kbps communication distance>1000m

7.Support automatic estimation of current hydro-acoustic sound speed according to temperature and salt depth, support for localization beacons, can be matched with a full range of hydro-acoustic positioning base stations

Technical Parameters