I. E73 Series Multi-Protocol SoC Wireless Module Product Introduction

In the current era of rapid development in IoT technology, wireless communication modules serve as a crucial link connecting everything, and their performance directly impacts the stability and reliability of the entire IoT system. The E73-2G4M08S1F series module is a multi-protocol wireless module designed by Chengdu EBYTE Electronics Technology Co., Ltd. based on the Nordic nRF54L15 chip solution SoC wireless system-on-a-chip. It boasts numerous features such as long communication distance, low power consumption, strong anti-interference capability, rich interface resources, powerful processing capabilities, and small size, providing strong technical support for the development of the IoT industry.

This series of multi-protocol wireless modules offers two models: E73-2G4M08S1F and E73-2G4M08S1FX. The E73-2G4M08S1F uses a PCB antenna, with a product size of 12*17.2mm. In a clear, open environment, with the antenna mounted at a height of 2 meters, using the BLE low-power Bluetooth protocol, the communication distance can reach 130 meters at an airspeed of 1Mbps. The E73-2G4M08S1FX uses an IPEX 3rd generation antenna, with a product size of 12*12mm, and a communication distance extended to 200 meters, meeting the communication needs of various scenarios.

II. Working Principle of E73 Series Multi-Protocol SoC Wireless Modules

The E73-2G4M08S1F series SoC wireless modules operate in the globally unlicensed ISM 2.4GHz band, which has a wide range of applications and good compatibility. The module integrates a high-performance Arm Cortex-M33 processor, along with rich peripherals and a RISC-V coprocessor, providing powerful processing capabilities for quickly handling various communication data and tasks.

During communication, the module supports multiple protocols, including BLE 6.0, Bluetooth Mesh, Zigbee, Thread, Matter, Amazon Sidewalk, and a proprietary 2.4 GHz protocol. Taking the BLE protocol as an example, when two devices communicate, the transmitting device converts the data into radio frequency signals through the module's transmitting circuitry and transmits them in the 2.4GHz band. The receiving device's module captures radio frequency signals through its receiving circuitry, converts them into digital signals, and then decodes and processes them to reconstruct the original data.

The module's maximum transmit power can reach 8dBm, and the power is adjustable in multiple levels. Users can flexibly adjust the transmit power according to actual communication distance and environmental requirements to achieve optimal communication performance. Simultaneously, the module's sleep current is as low as 1uA. When communication is not needed, the module can enter a sleep state, significantly reducing power consumption and extending the device's lifespan.

III. Advantages and Features of the Wireless Module

1. Multi-protocol Support, Strong Compatibility

The E73-2G4M08S1F series SoC wireless module supports multiple mainstream wireless communication protocols, enabling seamless connectivity with devices of different brands and types. Whether it's smart lights and smart locks in smart homes, or sensors and controllers in industrial scenarios, interconnection can be achieved through this module. This multi-protocol support feature gives the module broad application prospects and can meet the needs of various complex IoT systems.

2. High-Performance Processor, Powerful Processing Capabilities

The module's built-in Arm Cortex-M33 processor and RISC-V coprocessor provide powerful computing and processing capabilities. When faced with large amounts of communication data and complex tasks, the processor can respond quickly and process data promptly, ensuring real-time performance and stability. Meanwhile, abundant peripheral resources facilitate secondary development for users, allowing them to create various customized applications according to their needs.

3. Low-Power Design, Extended Device Lifespan

Low power consumption is a crucial characteristic of IoT devices, and the E73-2G4M08S1F series SoC wireless module excels in this area. Its sleep current is as low as 1uA. When the device is idle, the module automatically enters sleep mode to reduce energy consumption. When communication is needed, the module quickly wakes up and resumes normal operation. This low-power design not only extends the device's battery life and reduces maintenance costs but also minimizes environmental impact.

4. Industrial-Grade Standards, Adaptable to Harsh Environments

The module adopts industrial-grade standard design, supporting long-term use within a temperature range of -40 to 85°C. Whether in the frigid winters of the north or the sweltering summers of the south, the module maintains stable performance. Simultaneously, it possesses excellent anti-interference capabilities, enabling normal operation in complex electromagnetic environments and ensuring reliable communication. This industrial-grade design standard allows the module to be widely used in environmentally demanding fields such as industrial automation, intelligent transportation, and smart grids.

5. Compact Design for Easy Integration

The E73-2G4M08S1F series SoC wireless modules are small in size. The E73-2G4M08S1F measures only 12.0-17.2mm, and the E73-2G4M08S1FX measures 12.0-12.0mm. This compact design allows the module to be easily integrated into various small devices without occupying excessive space. For applications with strict size requirements, such as smart wearable devices and small sensors, this module offers significant advantages.

IV. Wireless Module IoT Application Scenarios

1. Access Control Systems

In access control systems, the E73-2G4M08S1F series SoC wireless module enables wireless communication between access control devices and the management center. Users can communicate with the access control devices via a mobile app or access card to perform operations such as opening and closing doors. Simultaneously, the access control device's status information, such as door opening records and alarm information, can be transmitted to the management center in real time via the module, facilitating monitoring and management by administrators. The module's low-power design allows the access control devices to operate stably for extended periods without frequent battery replacements.

2. Automotive Electronics Applications

In the automotive electronics field, the module can be applied to systems such as remote control, fault diagnosis, and in-vehicle entertainment. Through the module, users can remotely control vehicle door locks, windows, air conditioning, and other devices to preheat or cool the vehicle's interior. Simultaneously, vehicle fault information can be transmitted to the repair center in real time, facilitating timely diagnosis and repair by maintenance personnel. The module's anti-interference capabilities and stability ensure reliable and accurate communication even in the complex electromagnetic environment of a vehicle.

3. Smart Remote Controls

Traditional remote controls typically use infrared communication, which has drawbacks such as short communication range and strong directionality. The E73-2G4M08S1F series SoC wireless module can be used in smart remote controls to achieve wireless communication. Users can remotely control various home appliances without needing to point the module at the device, making operation more convenient and faster. Furthermore, the module's multi-protocol support ensures compatibility with various brands of appliances.

4. Location Services

In the location services field, the module can be integrated with GPS, BeiDou, and other positioning systems to achieve real-time location and tracking of people, vehicles, and objects. Location information can be transmitted to a monitoring center in real time, and users can view the target's location and movement trajectory at any time via a mobile app or web interface. The module's low-power design allows positioning devices to operate for extended periods, meeting the needs of long-term location tracking.

5. Healthcare

In the healthcare field, the module can be applied to various medical devices, such as blood glucose meters, blood pressure monitors, and electrocardiogram monitors. These medical devices can transmit patients' physiological data to the hospital's medical system in real time via modules, allowing doctors to remotely diagnose and treat patients. Simultaneously, patients can view their health data through a mobile app to stay informed about their physical condition. The module's security and stability ensure accurate transmission and privacy protection of medical data.

6. Wireless Alarm Security System

In a wireless alarm security system, the module can connect to various sensors, such as smoke sensors, gas sensors, and door/window magnetic sensors. When a sensor detects an anomaly, the module immediately transmits an alarm to the user's mobile phone or alarm center, promptly alerting the user to take action. The module's long communication distance and strong anti-interference capabilities ensure timely and accurate transmission of alarm information, safeguarding the safety of homes and businesses.

7. Smart Home and Industrial Sensors

In the smart home field, the module enables interconnection between various smart devices, creating an intelligent home environment. Users can control home lighting, appliances, curtains, and other devices via a mobile app or voice control, achieving home automation and intelligence. In industrial settings, the module can connect to various industrial sensors, such as temperature, humidity, and pressure sensors, to collect real-time data from the industrial production process, providing a basis for production management and decision-making.

V. Conclusion

The E73-2G4M08S1F series wireless communication modules, with their multi-protocol support, high-performance processor, low-power design, industrial-grade standards, and compact size, have broad application prospects in the Internet of Things (IoT) field. Whether in smart homes, industrial automation, intelligent transportation, or healthcare, this module can provide stable and reliable solutions for communication between devices. With the continuous development of IoT technology, the E73-2G4M08S1F series SoC wireless modules will undoubtedly play a vital role in driving the development of the IoT industry, bringing more convenience and innovation to people's lives and work.