WNC-M25MPS3

Platinum Edition Standalone Configuration Modem

Delivering performance under the toughest environmental conditions, Subnero’s platinum edition modems are designed to meet rigorous quality standards mandated by sectors such as defense, oil & gas and subsea engineering.

Key Features

  • Up to 15 kbps data rate*.
  • Up to 5 km communication range in tropical waters.
  • Ranging functionality with 0.1 m precision.
  • Doppler resilience of ±4 knots or better.
  • Support for coherent and incoherent communication schemes.
  • Support for arbitrary signal transmission as well as recording (passband, baseband).
  • Support for user defined communication schemes using UnetStack.
  • Certified for various MIL standards.

* Depending on channel conditions and reliability requirements.

Standalone Configuration

WNC-M25MPE3

A modem in the standalone configuration (SC) operates on external power source such as a battery (for underwater deployments) or a power supply (for deployments from the water surface).

TECHNICAL SPECIFICATIONS

Communication

Feature Details
Modulation (software defined) PSK-OFDM, FH-BFSK
FEC (Forward Error Correction) - LDPC (up to 1/6 rate code)
- JANUS (1/2 rate convolution code)
JANUS support Yes, subject to operating frequency band
Carrier frequency 24 kHz
Bandwidth 12 kHz (20 - 32 kHz)
Source level 185 dB re 1 µPa @ 1 m rms (nominal)

Software

Feature Details
Framework UnetStack
User interface Interactive web UI
Software interfaces Java, Groovy, Python, C, JavaScript, Julia, Matlab

Electrical

Feature Details
Power supply 22 - 28 VDC (24 VDC recommended)
Power consumption < 4 W (receive mode, nominal)
< 60 W (transmit mode, avg.)
< 80 W (transmit mode, max.)
< 1.5 W (sleep mode)
External interface Ethernet (10/100 Mbps), RS232 (115200 bps)

Mechanical

Feature Details
Hull material Aluminum
Operating depth Hull: 300 m
Transducer: 2000 m
Dimensions SC: ⌀ 127 ✕ 400 mm
EC: 90 ✕ 90 ✕ 180 mm
Operating temperature SC: 0 to 50 °C
EC: 0 to 70 °C (Electronics), 0 to 50 °C (Transducer)
Supported MIL standards MIL-STD-810G, MIL-STD-810E, MIL-STD-461E
Workmanship - IPC class 2A
- Conformal coating
- Environmental Stress Screening (ESS)