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S2CR 7/17D Acoustic Modem

S2CR 7/17D Underwater Acoustic Modem
S2CR 7/17D
S2CR 7/17D
S2CR 7/17D Directivity Pattern

S2C R 7/17D Underwater Acoustic Modem

S2CR 7/17D is a depth-rated device for long range operation, providing data transfer rates up to 6.9 kbit/s. Directional transducer beam pattern is well suitable for vertical and slant channels. Low power consumption makes it ideal for long-term deployment. Compatible with S2CR 7/17 and S2CR 7/17W.


  • Long-range operations in vertical channels
  • Data link for deep-sea AUVs and ROVs
  • Underwater observatories
  • Underwater acoustic sensor networks

Data Sheets

Underwater Acoustic Modem S2CR 7/17D Product Information, pdf


Operating Depth 200 m, Delrin housing
1000 m, Aluminium Alloy housing
2000 m Stainless Steel housing
10000 m available upon request, Titanium housing
Operating Range 10000 m vertical
Frequency Band 7 - 17 kHz
Transducer Beam Pattern directional, 80 degrees
Acoustic Connection up to 6,9 kbit/s
Bit Error Rate less than 10-10
Internal Data Buffer 1 MB, configurable
Host Interface[1]  Ethernet, RS-232 (RS-485/422 optional)
Interface Connector up to 2 SubConn® Metal Shell 1500 Series
Power Consumption Stand-by Mode 2.5 mW
Listen Mode[2] 5 - 285 mW
Receive Mode[3]0.8 W
Transmit Mode:
3 W, 2000 m range
10 W, 4000 m range
40 W, 8000 m range
65 W, max. available
Power Supply[4] External 24 VDC (12 VDC optional) or
Internal rechargeable battery (optional)
Dimensions[5] Housing ø110 mm x 178 mm
Total length 338 mm
Weight, dry/wet Delrin: 6200/600* g
Aluminium Alloy*: 7200/2000 g
Stainless Steel* 11000/7000 g
Titanium* 10800/6500 g

[1] See the Underwater Acoustic Modem S2CR 7/17D Product Information for available standard interface combinations.

[2] User-configurable Listen Mode is only available with a Wake-Up module installed. Power consumption in Listen Mode depends on Listen Mode settings.

[3] Power consumption for the RS-232 interface option. Add 500 mW for the Ethernet interface option. Add 300 mW for Wake-up Module.

[4] Contact EvoLogics for more information on power supply options.

[5] Dimensions of a Delrin housing, other builds are slightly larger. Marked* weights are estimates.

Specifications subject to change without notice.