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uWave Max OEM hydroacoustic modem

A board and antenna for embedding in your own enclosure
Underwater Communication and Navigation Laboratory
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uWave Max OEM hydroacoustic modem
Data transmission

uWave Max OEM

uWave Max OEM is based on the UTRO platform and is supplied as a PCB module with an RT-1.524525-1 hydroacoustic antenna — without its own enclosure, for embedding into the customer's product. It provides digital hydroacoustic communication between 254 subscribers: in code mode, transparent channel mode, or packet mode with logical addressing and guaranteed delivery. Extremely small size, low power consumption and ease of use make the uWave family of modems a solution for controlling autonomous underwater devices and transmitting data in size- and weight-sensitive applications.

The device lets you: transmit data in transparent channel mode — simply connect the modem to a serial port; request the depth, temperature and supply voltage of remote uWave family modems, with simultaneous measurement of the signal propagation time (and hence the distance to them); and transmit data in packet mode with guaranteed delivery (ALO — At-least-once) and delivery notification.

Differences from the base uWave version: maximum communication range increased to 3000 m (when working with another uWave Max OEM, uWave Max or uWave USBL; with standard uWave modems it is 1000 m); an OEM version without an enclosure; no built-in depth/temperature sensor.

  • Extremely small size and weight
  • Can be used in wireless underwater sensor networks
  • Communication range of up to 3000 m
  • Reliable data transmission at speeds of up to 634 bit/s
  • Code division of subscribers
  • Signal propagation time measurement
  • Highly reliable digital hydroacoustic communication
  • Low power consumption (Rx/Tx) 0.33/15 W
  • Open interface protocol
  • Packet mode with guaranteed delivery (ALO — At-least-once)
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Documentation
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DIMENSIONS (PCB, L x W x H)
80 x 43 x 29 mm
WEIGHT (PCB)
54 g
DIMENSIONS (transducer, Ø x h)
64 x 62 mm
WEIGHT (transducer, dry)
360 g
DEPTH RATING (transducer)
400 m
MAX. ACOUSTIC COMMUNICATION RANGE1,8
3000 m
PAYLOAD DATA RATE2
78/156/314/634 bps
POWER CONSUMPTION Rx/Tx
0.33/15 W
SUPPLY VOLTAGE3,4
5 .. 12 V
DATA LINES VOLTAGE
0 .. 3.3 V
DATA LINES OUTPUT IMPEDANCE
1 kOhm
CARRIER
20050 Hz
MAX. ACOUSTIC SOURCE LEVEL (in band)
175 dB re 1 μPa @ 1 m
BIT ERROR RATE
10-6
SNR5
-2 dB
MAX. RELATIVE VELOCITY
+/- 1 m/s
STARTUP TIME
100 msec
WORKING TEMPERATURE RANGE
-5 .. 50 °C
PAIRING INTERFACE6
UART 9600 bps
PAIRING PROTOCOL
NMEA 0183 PUWV
CABLE LENGTH6
0.5 m
SUBSCRIBER SEPARATION SCHEME2
20 code channels
TRANSMITTER BUFFER SIZE
127 bytes
COMMAND MODE
16 preset messages (9 for user applications)
SIGNAL PROPAGATION TIME MEASUREMENT RESOLUTION7
0.0001 sec
PACKET MODE
254 addresses with delivery notification, broadcast messages, packet size up to 64 bytes

OEM version without an enclosure

Supplied as a PCB module on the UTRO platform with a separate RT-1.524525-1 hydroacoustic antenna — without its own enclosure, for embedding in the customer's housing.

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