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 (horizontal & vertical) 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


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).



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 25 kHz
Bandwidth 12 kHz (20 - 32 kHz)


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


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)


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)