Aqua Comm underwater wireless modem is the ideal choice for underwater communications when utmost reliability and flexible design integration are critical to your application’s success.
Features | Attributes | Benefits |
---|---|---|
High reliability of communications |
|
|
Low power consumption |
|
|
Ease of integration |
|
|
Small form factor and lightweight |
|
|
AquaComm is available in 100 bit/sec and 480 bit/sec versions and in two forms:
- OEM: AquaComm modem module for integrating into an OEM’s housing
- Encased: AquaComm modem module encased in AquaCase
Detailed technical specifications:
Parameter | Details |
---|---|
Data rates | 100 or 480 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 +/- 5ms-1 |
Bandwidth | Broadband operation 16Khz to 30Khz, Other bandwidths available |
Range | Tested to 3km range. Longer ranges possible up to 5km. Available in high power version with 30W transmit power. |
Modulation | Direct sequence spread spectrum / OFDM |
Error detection | CRC16 error detection |
Through water communications protocol | · Confirmed packet delivery with error detection. If the transmitting end does not receive an acknowledgement, it will resend the data two more times. Number of retries is configurable.
· Transparent data transfer mode – ideal for instrumentation · Low power – transparent data transfer mode (consumes 1/10th the stand by power) |
Addressing | Uniquely addressable. Six digit numeric address set through host command. Million possible addresses. |
Receive sensitivity | Ability to set the receive sensitivity |
Transmit power | Ability to set the transmit power level |
Physical size | 8cm x 7cm x 1.5cm (excluding Transformer ) |
Electronics | Digital signal processor based |
Power supply input voltage | DC 5V to 12V |
Current consumption @ 6V DC | 24mA (nominal) in normal wake operation 2.4mA in power save receive Less than 150uA in sleep model |
External connections | 10 pin KK header to connect power, host communications, reset line and wake up line 2 pin terminal to connect hydrophone transducer |
Host communications | · RS232 serial communications. 9600 baud (default),1 start bit, 1 stop bit, no parity 4800, 2400 or 1200 baud programmable Either TTL voltage levels (3.3V) or RS232 voltage levels selectable· Optional RS485 available |
Host command | Simple ASCII command set to configure and command the modem |
Temperature range | -5 degC to +50 degC |