Medium-range hydro-acoustic communicator

Intelligent Marine hydro-acoustic communicator is based on the company's industry-leading hydro-acoustic communication technology independent research and development of underwater wireless digital communication equipment, is the indispensable equipment for construction of underwater networks (including communication networks, sensor networks, Internet of Things, etc.

Keyword：

Introduction

Accesories

Recommended

Overview

Functional Features

Anti-multi path interference and environmental noise channel equalization technology
Self-developed hydro-acoustic communication network protocol stack, which can self-organizing network underwater
Miniaturized and low power consumption hardware platform based on DSP+ARM
Adaptive adjustment in multi-frequency/multi-modulation and different environments
Built-in forward error correction coding and decoding technology
Built-in range measurement function
Standard RS-232 data interface
Bidirectional half-duplex high-speed communication

Technical Parameters

24kHz Hydro-acoustic Communicator
Communication Distance	Maximum 4000m	Typical Communication Rate	1~4.96kbps
Communication System	OFDM	Number of Transmitting and Receiving Arrays	Single Transmitter and Single Receiver
BER	≤ 10-4 (good hydrology)	Receive Power Consumption	≤ 1W
Working Depth	300m/2000m	Sleeping Power Consumption	≤6mW ((Requires optional sleep wake-up module))
Transmission Power Consumption	<70W (RMS)	Power Supply	DC24V ( 16~30V)

Optional Functions

Wake-up Module

1. Sleep power consumption <6mW/24V, support serial port wake-up, water sound wake-up, RTC wake-up.
2. Wake-up distance of water sound is up to 4000m.

Built-in Battery Module

1. Rechargeable lithium battery 24V*3.5A; external charger 1pc, full 90% power time <3 hours;
2. Continuous receiving and transmitting endurance time > 12 hours;Standby endurance > 3 months.

Sensor Access Module

1. Up to 2 external instruments can be supplied with power to support the
reading;
2.Data from instruments , forwarded to the water surface unit.

Long Baseline Positioning

Supports receiving PPS signal input , calibrates the internal clock , can be used as a primitive for LBL.

External Release Unit Interface

Provide external interface can be connected with external release device, as the communication and power components in the releaser, after adding the release device can be composed of the releaser.

Hydro-acoustic Positioning Beacon

With a high-precision depth sensor, the communication signal can be used for hydro-acoustic positioning at the same time, and can be used as a hydro-acoustic positioning beacon.