Pin Definition and Hardware Wiring Instructions
The TWS-BS series adopts a standardized four-pin design, simplifying the system integration process. The module requires minimal external components to operate, employing a passive, high-sensitivity design architecture that significantly reduces development difficulty and cost. The pin arrangement is optimized for easy PCB layout and manual soldering operations.
Pin Function Description
Pin | Name | Function Description | |
1 | GND | Power ground terminal, connected to system ground | |
2 | Data In | High-frequency signal input terminal (digital data input) | |
3 | VCC | Positive power supply input (3V～12V) | |
4 | ANT | Antenna connection output terminal |
Wiring Precautions: The Data In pin needs to be connected to the digital output pin of the microcontroller. It is recommended to use 3.3V or 5V logic levels. The antenna terminal should use a frequency-matched antenna to achieve optimal transmission effects.
Matching Receiver Module Models and Transmission Distance
Each TWS-BS transmitter module has a corresponding dedicated receiver series for pairing. Depending on the selected receiver model, the system can achieve an effective transmission distance of 150-500 meters. It is recommended to choose the most suitable transmitter and receiver combination based on the actual application scenario's distance requirements, environmental obstacles, and cost budget.
Transmitter Module Model | Operating Frequency | Matching Receiver Module Model | Transmission Distance | |
TWS-BS-1 | 303.875 MHz | RWS-371F、RWS-371、RWS-374、375 | 150~500M | |
TWS-BS-2 | 310.000 MHz | RWS-371F、RWS-371、RWS-374、375 | 150~500M | |
TWS-BS-3 | 315.000 MHz | RWS-434LL、RWS-434N、RWS-371F、RWS-371、RWS-374、RWS-375 | 150~500M | |
TWS-BS-4 | 318.000 MHz | RWS-371F、RWS-371、RWS-374、375 | 150~500M | |
TWS-BS-5 | 418.000 MHz | RWS-371F、RWS-371、RWS-374、375 | 150~500M | |
TWS-BS-6 | 433.920 MHz | RWS-434LL、RWS-434N、RWS-371F、RWS-371、RWS-374、RWS-375 | 150~500M |
Frequency Matching
Ensure transmitter and receiver use the same operating frequency
Distance Evaluation
Select appropriate transmission distance specifications based on the actual environment
Antenna Configuration
Use matching frequency antennas for optimal performance
Applications in Industrial and Automation Fields
TWS-BS series RF transmitter modules are widely used in industrial automation, long-distance control, and smart manufacturing. Their high stability and anti-interference characteristics make them particularly suitable for complex industrial environments. The modules can be integrated into various wireless control systems, data acquisition terminals, and security monitoring equipment, providing reliable wireless communication solutions.
Industrial Long-Distance Wireless Control Systems
Applied in scenarios such as production line equipment start/stop control, robotic arm remote operation, and conveyor belt system wireless scheduling, improving production efficiency and operational safety.
RF Smart Sensing and Data Transmission
Integrates various sensors such as temperature, humidity, pressure, and flow, transmitting real-time monitoring data wirelessly via RF modules to the central control system.
Automotive RF Remote Control Systems
Applied in car alarm systems, remote door locks, vehicle positioning and tracking, and other functions, providing stable and reliable wireless control solutions.
Industrial Safety Alarm Remote Control and Notification Equipment
In the field of industrial safety, this module can be used for emergency alarm systems, personnel positioning and tracking, access control in hazardous areas, and other applications. In case of abnormal situations, alarm signals can be sent wirelessly via RF to the monitoring center in real-time, ensuring personnel safety.
Wireless Data Collection Station
Builds a distributed data acquisition network where each sensing node transmits data back to the data collection station via RF modules, suitable for large-scale environmental monitoring, equipment status tracking, energy management systems, and other application scenarios.
IoT and Smart Application Fields
With the rapid development of IoT technology, the TWS-BS series modules demonstrate excellent applicability in emerging fields such as IoT data nodes, smart agriculture, and smart homes. Their low power consumption characteristics and stable wireless transmission capabilities make them an ideal choice for building IoT systems, capable of supporting long-term operation and wide-area deployment requirements.
IoT Data Transmission Nodes
As the core communication module for IoT edge nodes, it collects various sensor data and transmits it wirelessly via RF to gateways or cloud platforms, enabling device interconnection and data analysis.
Smart Agriculture Wireless Sensing & Control
Applied in agricultural IoT applications such as soil moisture monitoring in farmland, greenhouse environmental control, irrigation system automation, and livestock farm environmental monitoring, enhancing agricultural production efficiency.
Smart Home RF Automation Facilities
Integrated into home automation devices such as smart lighting, curtain control, security systems, and environmental regulation, providing a convenient wireless control experience.
Environmental Monitoring Remote Data Transmission
Deployed in environmental monitoring stations for air quality, water quality, meteorological observations, etc., to instantly transmit environmental data for analysis and early warning use.
RF Sensor Integration Platform
The TWS-BS series can serve as the core wireless transmission module for multi-sensor integration platforms, supporting data aggregation and transmission from various types of sensors. Through standardized digital interfaces, it easily integrates diverse sensors such as temperature, humidity, illumination, motion detection, and smoke sensing, building a complete wireless sensor network system.
In application scenarios such as smart buildings, environmental monitoring, and Industry 4.0, this module can support multi-point deployment and long-term stable operation, meeting the stringent requirements for wireless communication in modern smart systems.