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SoundLink Underwater Acoustic ModemsHigh Speed, Power Efficient, Highly Robust

Click the picture to enlarge

LinkQuests SoundLink underwater acoustic modems aredesigned to combat the three main obstacles in underwater

communication; poor reliability, low data rate and high poweconsumption. Using LinkQuests proprietary Broadband

Acoust ic Spread SpectrumTechnologythe companydevelops advanced underwater acoustic modems with statethe art technologies outlined below:

Advanced modulation scheme for improved signal-tonoise ratio

Channel equalization to combat multipaths

Error correction coding

Automatic rate adaptation to combat varying noiseconditions

Most advanced DSP hardware and software

With the innovative technologies, LinkQuest'smodems have achieved significantly

increased data rate (up to 38,400 baud),lower power consumption and

unprecedented robustness.All ofLinkQuest's modems perform at a bit error

rate of less than 10 which is equivalent tothe quality of wire line communication.

LinkQuest's extensive line of underwateracoustic modems outperform any competingproducts in technical aspects for both near-vertical, horizontal and extreme horizontal

underwater environments.

LinkQuests modems are also designed to beuser friendly and provide a completely

transparent wireless RS-232 connectionbetween two end equipments as if they weredirectly connected through an RS-232 cable.

This ensures seamless integration withunderwater instruments.

With superior products, unmatched trackrecord and uncompromising support to its

customers, LinkQuest dominates the acousticmodem market in the world. Click the picture to enlarge

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LinkQuest has accomplished unmatched technical achievements in underwater acousticcommunication.

The best selling underwater acoustic modems in the world Transport over 95% of worlds acoustic communication data Highest data rate up to 38,400 baud Largest undersea acoustic communication networks in the world with hundreds of nodes World record in uploading more than 50 Gbytes of data from a single pair ofmodems on an AUV The world's first long-term high speed acoustic communication from offshoredrilling DP vessels World record in acoustic uploading 200 Mbytes of Acoustic Current Profiler recorder data in lessthan

year Over 200 successful deployments with Acoustic Current Profilers and current meters World record in transporting more than 800 Mbytes of real-time wave data using a single battery pack

Dominant supplier to the world's most advanced AUV and manned submersibles