Aquacomm Gen2 is the latest generation underwater wireless modem built on the highly reliable and proven spread spectrum communications algorithms. Utilizing the latest generation power efficient floating point DSPs to offer high dynamic range and flexibility to enhance performance. This underwater wireless modem can work in a bucket of water to the deep ocean. We have proven the Gen2 underwater wireless modem over 8km distance in harsh shallow water environments.
Features | Attributes | Benefits |
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Highly reliable underwater wireless modems using floating point dynamic range |
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Low power consumption |
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Ease of integration |
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Small form factor and lightweight |
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- OEM: AquaComm modem module for integrating into an OEM’s housing
- Encased: AquaComm modem module encased in AquaCase
- Aquacomm Gen 2 is available either as a single board modem with 10W capability or a two PCB version with 30W capability
Detailed technical specifications:
Parameter | Details |
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Data rates | 100 to 1000 bits per second depending on model |
Bit Error Rate | 10-6 bit error rate or better |
Acoustic Doppler Tolerance | High immunity to noise and to multi-path and Doppler fading. Acoustic Doppler tolerance of +/- 15ms-1 |
Bandwidth | Broadband operation 16Khz to 30Khz. Other bands available. |
Range | Tested to 8km range. Longer ranges possible |
Modulation | Direct sequence spread spectrum / OFDM |
Error detection | CRC16 error detection |
Through water communications protocol | Unicast, Broadcast and Network modem. Uses CSMA to reduce collisions. |
Networking | Ad-hoc Mesh Network capability (option) |
Addressing | Uniquely addressable. Six digit numeric address set through host command. |
Receive sensitivity | Ability to set the receive sensitivity |
Transmit power | Ability to set the transmit power level |
Physical size | 10cm x 7cm x 2cm (including transformer ) The high power version has got the same formfactor as the Gen1 modems. |
Electronics | Digital signal processor based |
Power supply input voltage | DC 5V to 12V |
Current consumption @ 12V DC | 60mA (nominal) in normal wake operation 6mA in power save receive Less than 20uA in sleep model |
External connections | 10 pin screw terminal type header to connect host communications, reset line and wake up line and other control lines 2 pin Screw terminals for power connection 3 pin terminal to connect hydrophone transducer |
Host communications | RS232 serial communications. configurable baud upto 11.2kbps baud (default),1 start bit, 1 stop bit, no parity 9600, 4800, 2400 or 1200 baud programmable Either TTL voltage levels (3.3V) or RS232 voltage levels selectable |
Host command | Simple ASCII command set to configure and command the modem |
Temperature range | -5 degC to +50 degC |