Portable Bluetooth Module for Echologger products
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Echologger APIs
Portable Bluetooth(BT) Module DU-BS21S is meticulously designed for seamless integration with Echologger echosounders and scanning sonar systems, offering unparalleled convenience in bathymetric surveys for both manned and unmanned operations.
The DU-BS21S excels in communication efficiency with its long-range Bluetooth capability. It provides a robust connection up to 10 meters (Class2), with an optional extension to 100 meters (Class1) for enhanced versatility.
This Bluetooth module ensures swift and reliable data transfer with an RS232 data rate ranging from 2,400 to 230,400 bps, with a default setting of 115,200 bps. This allows for efficient communication between the module and connected devices.
Equipped with a long-life rechargeable battery, the DU-BS21S not only powers itself but also serves as a reliable power source for connected Echologger devices. This feature enhances the operational lifespan and autonomy of the entire system.
The DU-BS21S is designed to seamlessly integrate with our Echologger echosounders and scanning sonar systems. This universal compatibility ensures that users can effortlessly incorporate the Bluetooth module into their existing Echologger setups, providing a hassle-free solution for various survey applications.
Features
- Long range Bluetooth communication: 10m (Class2), [option 100m (Class1)]
- RS232 Data Rate: 2,400 ~ 230,400 bps (default: 115,200 bps)
- Longlife chargeable Battery: 14.4V, 45Wh
- Compatible with all Echologger echosounders and scanning sonar
| Embedded RS232 to Bluetooth Converter | |
| Bluetooth Specification | V2.1 |
| Bluetooth max range | 10m (Class2), [option 100m (Class1)] |
| RS232 Data Rate | 2,400 ~ 230,400 bps (default: 115,200 bps) |
| Battery | 14.4V, 45Wh |
| Temperature | -10°C ~ 50°C |
| Weight | 750 g |
| Dimensions | 140 x 90 x 45 mm (without pole holder) |
| Pole Holder | Pole diameter 20~40 mm |
What is the DU-BS21S designed for?
The DU-BS21S is a portable Bluetooth communication and power module designed to wirelessly connect Echologger sensors to a PC or tablet while also powering the connected device.
Typical applications include:
- portable bathymetric surveys
- wireless echosounder deployment
- unmanned surface vehicle (USV) integration
- temporary / mobile survey setups
It eliminates the need for a direct data/power cable between the sonar and operator device.
Which Echologger products is it compatible with?
The DU-BS21S is compatible with most Echologger devices using serial communication, including:
- echosounders
- scanning sonars
- profiling sonars
- 3D sonar
It is designed as a universal wireless accessory for Echologger survey products.
Does the DU-BS21S provide power to the connected sensor?
Yes. The DU-BS21S includes an internal rechargeable battery and can supply power to the connected Echologger device while operating.
This allows both:
- wireless communication
- portable sensor power
from a single compact module.
What Bluetooth range does it support?
Standard Bluetooth communication range is:
- Up to 10 m (Class 2)
Optional extended-range configuration:
- Up to 100 m (Class 1)
Actual range depends on environment and installation conditions.
How long can it power a connected echosounder?
The DU-BS21S uses an internal:
- 14.4 V, 45 Wh rechargeable battery
Depending on the connected device and operating conditions, it can power supported echosounders for extended field operation, with published examples of up to approximately 100 hours in certain configurations.
What communication interface does it support?
The DU-BS21S uses:
- Embedded RS232-to-Bluetooth conversion
Supported serial data rates:
- 2,400 to 230,400 bps
- Default: 115,200 bps
It also supports RS232 bypass / direct serial mode where applicable.
Why use DU-BS21S instead of a wired setup?
he DU-BS21S is ideal when:
- cable-free operation is preferred
- rapid portable deployment is required
- the operator wishes to work wirelessly from a tablet/laptop
- temporary survey setups are frequently reconfigured
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