Welcome to the sale of this used LinkQuest UWM1000 Underwater Wireless (Acoustic) Modem.


Based on cutting-edge Broadband Acoustic Spread

Spectrum technology, LinkQuest's extensive line of

SoundLink high speed underwater acoustic modems have

revolutionized underwater acoustic communication. The

advanced technologies have achieved:


• Dramatically improved data rates

• Unprecedented reliability with bit error rate of less than 1x10-9

• Significantly reduced power consumption


This is one send receive unit only, these operate in a pair, usually between a subsea instrument and a surface terminal. You would require a second compatible item to operate with this. 

This is a used unit in guaranteed working condition. The buy now represents a fraction of the new price 


LinkQuest Underwater Acoustic Modem

UWM1000 Specifications

RS-232 data rate: 9600 bits/second

Payload data rate: 7000 bits/second

Acoustic link: 17.8 k bits/second

Bit error rate: less than 10

Working range: 350 meters

Fully waterproof at a maximum depth: 200 meters

Transmit mode power consumption: 1 Watt (wide beam, narrow beam) or 2 Watts (omni-directional)

Receive mode power consumption: 0.75 Watt

Sleep mode power consumption: 8 mW

Beam width of transducer: 120 degrees (wide beam) or 210 degrees (omni-directional) or 70 degrees (narrow beam)

Operating Frequency: 26.77 to 44.62 kHz

RS-232 Configuration: 9600 baud, 1 start bit, 1 stop bit, no parity bit, and no flow control

RS-232 input data buffer: 900 kbytes

Voltage: 12 to 24 volts

Operating temperature: -5 to 45°C

Storage temperature: -25 to 75°C

Overall length: 235.7 mm

Housing diameter: 87.2 to 126.2 mm

Weight out of water: 4.2 kg

Weight in water: 2.3 kg

Optional Higher Data Rate: 19,200 baud

Options: Data Fusion


Before operating this modem you should be familiar with the operation and connection of this device please read through the

entire user’s guide. 

This underwater modem operates in both fresh and salt water up to a near vertical

range of 350 meters with a maximum depth of 200 meters. The data rate of the

acoustic link is at RS-232 data rate: 9600 bits/second

Payload data rate: 7000 bits/second The payload data refers to the user’s input

data.

A set of modems consists of a surface modem and a bottom modem.

The modem pair forms a completely transparent wireless RS-232 connection.

No special modem commands are needed for transmitting or receiving user data.

PLEASE NOTE THIS SALE IS FOR THE SURFACE MODULE UWM1000 ONLY PHYSICALLY THE UNIT IS IN VERY GOOD CONDITION AND CAME FROM A WORKING ENVIRONMENT, THE ANODE IS IN EXCELLENT CONDITION. WE'VE PRICED THIS MODEM AT LESS THAN  20% OF IT'S ORIGINAL NEW PRICE.

Thanks for looking.

All our prices include 20% VAT

A VAT invoice will be included with all sales

 

Buy with confidence from CJR electronics.

CTR Electronics have been trading on eBay for over 20 years, we are proud of our 100% positive feedback.

We specialise in selling surplus electronics, industrial products and other selected items. Everything we sell is individually inspected and if possible tested. We take great care to list items with an accurate description and photos showing the exact condition.

All our listing are graded in to several categories, New and Unused, Unused, Refurbished, Tested, powered up not tested and used. A full explanation of  each category is listed below.

Shipping

Most of our items are shipped using either royal mail or courier . For large or high value items we prefer to discuss the shipping with you. We can arrange collection or even door to door delivery.

Returns

All our items are covered by our returns policy regardless of the condition, in the unlikely event you’re not satisfied with the item we will accept a return (buyer pays return carriage) and we will either replace the item with a like for like replacement or we will refund your money.

All items are inspected and if required tested before dispatch to ensure your item is as described, however we strongly advise you to check the pictures and the condition description before purchasing.

Some items will be covered by an extended warranty ranging from 3 months to 12 months, this will be in the description, please check carefully

Condition of item

New and unused. Any item marked as new will be in its original packaging with its original accessories. The package will be opened by us to check the contents and ensure its in a new condition. 

Unused. Any item marked as unused will be in a new condition but will not be in original packaging and may have some accessories missing, there may be some small marks on the product due to missing packaging (please check pictures carefully).

Refurbished. These items will have been refurbished and tested by CJR Electronics and be in a very good condition, they will not have original packaging and may not have all the original accessories. If any original accessory is missing it may have been replaced by a suitable alternative.

Tested. Any item marked as tested will be in a used condition and may not include all accessories, they will have been function tested by CJR electronics and repackaged. As they are used, they may have marks and scratches but will be in working condition (please check pictures carefully)

Powered up not tested. These items will be in a used condition and may not include all accessories, we will have powered up the unit but as specialist equipment may be required, we are unable to carry out a full function test, the unit may have marks and scratches (please check the pictures carefully)

Used. Used items will not be tested and may not include all accessories, either the unit does not require testing, or we are unable to test, they may have marks and scratches, and they are bought as seen (please check pictures carefully) but in the event the item is not functioning as described they are covered by our returns policy.

 

Thank you for viewing this item, if you have any questions, please contact us and we will normally reply within 24 hours