The Modem M64 is a two-way half-duplex 64bps acoustic modem with a robust and user configurable data link.
Typical Applications
- AUV telemetry
- ROV wireless control
- Wireless subsea sensors
- Research projects
- Any scenario where you need to wirelessly control and monitor subsea equipment
Key Features
- Omnidirectional operation which will keep the data link stable even when the modem is in motion and/or being rotated around its axes.
- Fully self-contained with no requirements for external computers, top-side controllers or other devices.
- Packet based protocol with extensive use of error detection to enable a highly robust transmission.
- Wide range of available frequencies enabling easy adaptation to local environments
- The integrated status LED makes it easy to confirm that the communication link is established and when data is transferred.
- Serial 115200 baud UART 3,3V interface makes the M64 easy to integrate with other subsea equipment like sensors, ROVs and AUVs.
- Easy to use API to transmit/receive packages etc.
- Can operate simultaneous with Underwater GPS.
- Extremely small size enabling easy integration in other equipment.
- Very low power consumption.
- Highly robust operation, also in areas with acoustic reflections (shallow water, around installations etc.)
- Depth rated to 300 meters.
Specifications
MECHANICAL | |
---|---|
Device diameter | 30 mm |
Device length | 112 mm |
Device weight (air) | 128 grams |
Depth rating | 300 meters |
Material | PEEK |
Operating temperature | -10 to 60 °C |
ELECTRICAL / INTERFACE | |
Input voltage | 10-18 V |
Power consumption | 216 mA at 12V |
Physical interface | 2 meter open ended cable, 4 wires (pwr/serial), ø6.3 mm |
Indicator | Status LED (Power, Link, Data) |
Communication | UART 115200 baud serial 3,3V |
ACOUSTIC | |
Range | 200 meters |
Directivity | Omnidirectional |
Frequency | 31.25-250 kHz (200 kHz typical) |
Transmission | Two-way, half duplex |
Sync procedure | Auto-sync |
Latency | 1.5 – 2.5 sec |
APPROVALS | |
RoHS compliant | Yes |
CE | Yes |
Further reading
We have made a section dedicated to modems where you can read about how they work and other aspects. Read here
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