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Overview
Key Features
Versatile, low cost transponder
Depth rated to 500 meters
Compact and rugged design
HF frequency band from 35-55kHz
Alkaline battery packs give up to 18 months listening life
Datasheet
Coastal Transponder

Part of Sonardyne’s Coastal Acoustic product range, the Type 7815-000-07 Coastal Transponder has been designed for low cost applications where size and weight are important operational factors.

The transponder enables critical targets such as underwater structures, diving bells and instrumentation packages to be marked unambiguously and later relocated using Sonardyne's Homer-Pro and ROV-Homer range and direction systems.

The transponder operates with any of the Coastal Acoustics tracking and relocation systems such as Scout USBL, Prospector and Homer-Pro.

The small size and lightweight design of the transponder enables normal or Emergency relocation of critical points of interest, accurate underwater distance measurement and small target/diver tracking.

The unit operates in the HF frequency band from 35-55 kHz. External programming of interrogation addresses and reply frequencies are incorporated.

 
Specifications
FeatureType 7815-000-07
Depth Rating 500 metres
Operating Frequency Range HF (35–50 kHz)
Source Level 184-187 dB
Receive Sensitivity 105-115 dB re 1µPa @1m
Number of Unique Addresses 3609 (Field Programmable)
Switch On Continuously operating (No On/Off switch)
Battery Life Alkaline: 18 months
Mechanical Construction Plastic and Aluminium Alloy (Anodised)
Dimensions (LxDia) 442 mm (17.4”) x 63 mm (2.4”)
Weight in Air 1.1 kg
Weight in Water 0.2 kg
Deck Unit Type 7967-000-02 (Includes transducer and 10 metres of cable)
 
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