Zima2-R – responder beacon of the Zima2 USBL system

The responder beacon of the Zima2 USBL ultra-short baseline system — determines the real-time location of an underwater object at distances of up to 3000 m
Underwater Communication and Navigation Laboratory
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Zima2-R

Zima2-R is the responder beacon of the Zima2 USBL ultra-short baseline navigation system. The device is mounted on an underwater object to determine its location in real time using the Zima2-B direction-finding antenna.

The beacon can operate autonomously — with an additional battery pack — or be powered from the carrier.

Its extremely small size, ease of use and low power consumption make the Zima2 USBL system a convenient solution for working with autonomous and remotely operated vehicles, as well as for determining the relative position of divers.

In its autonomous configuration, the beacon is fitted with an SB-24-48-LF battery pack based on LiFePO4 cells, providing more than 3,000 charge-discharge cycles and operation at low ambient temperatures. The design is patented (patent RU2659299C1).

  • Extremely small size and weight
  • Communication range of up to 3000 meters
  • Highly reliable digital hydroacoustic communication, resistant to multipath propagation
  • Code division of subscribers — up to 16 isolated addresses
  • Low power consumption (Rx/Tx) 0.33/10 W
  • Built-in pressure and temperature sensor
  • Patented monoblock design
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Documentation
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DIMENSIONS (Ø x h)
64 x 62 mm
WEIGHT (dry)
0.3 kg
DEPTH RATING
300 m
DEPTH RESOLUTION
0.6 m
MAX. ACOUSTIC COMMUNICATION RANGE
3000 m
ACOUSTIC SOURCE LEVEL
170 dB re 1 μPa @ 1 m
CARRIER FREQUENCY
20100 Hz
BUILT-IN TEMPERATURE SENSOR ACCURACY
0.1°C
SUPPLY VOLTAGE
12 V
DATA LINES VOLTAGE
0 .. 3.3 V
BIT ERROR RATE
10⁻⁶
SNR
-3 dB
MAX. RELATIVE VELOCITY
± 2 m/s
STARTUP TIME
100 msec
WORKING TEMPERATURE RANGE
-5 .. 50 °C
POWER CONSUMPTION (Rx/Tx)
0.33 / 10 W
PAIRING INTERFACE
UART 9600 bps
PAIRING PROTOCOL
NMEA 0183 PAZM
CABLE LENGTH
0.5 m
MAX. NUMBER OF ADDRESSES
16

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