EBYTE WiFi Technology White Paper
With the rapid development of the Internet of Things (IoT), WiFi, as one of the most ubiquitous wireless connection technologies, has become the core infrastructure for smart devices to connect to the network. Leveraging over a decade of deep experience in the wireless communication field and in-depth cooperation with world-leading chip manufacturers such as Espressif, Texas Instruments (TI), Realtek, MediaTek, and Dialog (Renesas) , Chengdu Ebyte Electronic Technology Co., Ltd. (EBYTE) has built a comprehensive WiFi technology product matrix covering Serial-to-WiFi, WiFi+BLE Dual-Mode, Dual-Band High-Performance, Distributed Mesh Networks, and Edge Computing Gateways. This white paper aims to systematically elaborate on the core architecture, product system, application scenarios, and selection strategies of EBYTE WiFi technology, providing industry customers with a comprehensive and professional reference for wireless WiFi solutions.
- Technical Architecture and Core Features
2.1 Serial-to-WiFi Passthrough Technology
The majority of EBYTE WiFi modules (such as the E103-W01, W02, W05, W10) integrate a Serial-to-WiFi passthrough function. This technology encapsulates the complex WiFi protocol stack within the module. Users only need to send AT commands via a standard UART serial port for configuration, and the module automatically handles WiFi network connection, data encapsulation, and forwarding. This "plug-and-play" design philosophy significantly lowers the barrier for embedding systems to access WiFi networks, freeing developers from the need to understand underlying network protocol details.
2.2 Multiple Operating Modes
EBYTE WiFi modules support three core operating modes, flexibly adapting to different network topology requirements:
AP Mode (Access Point) : The module acts as a hotspot, allowing other WiFi devices (e.g., smartphones, tablets) to connect directly. Suitable for local device configuration and point-to-point communication scenarios.
STA Mode (Station) : The module acts as a client, connecting to an existing WiFi router or AP. Suitable for scenarios where devices need to access the internet or communicate with cloud platforms.
STA+AP Mode : Operates as both AP and STA simultaneously, enabling data bridging and network extension. Widely used in devices such as repeaters and gateways.
2.3 Dual-Mode and Dual-Band Technology
Dual-Mode WiFi (WiFi+BLE) : Many EBYTE products integrate both WiFi and Bluetooth Low Energy (BLE) functions, such as the E103-W08, E101-32 series, and E103-W14 series. BLE is used for fast provisioning, low-power broadcasting, and indoor positioning, while WiFi provides a high-bandwidth data channel. The two work together to achieve a seamless "configure-and-connect" experience.
Dual-Band WiFi (2.4G+5G) : Modules like the E103-W06 (CC3235S) and E103-RTL8812CU support both the 2.4GHz and 5GHz frequency bands. The 5GHz band offers less interference and higher speeds, making it ideal for applications requiring high bandwidth and stability, such as HD video transmission and industrial real-time control.
2.4 Low-Power Technology
EBYTE has implemented multi-level power optimization across different WiFi series to meet the needs of scenarios ranging from battery-powered to continuously powered applications:
E103-W12 Series (DA16200) : Based on the Dialog DA16200 chip, power consumption can be as low as the microamp level while maintaining a WiFi connection, supporting years of battery life. It is an ideal choice for low-power IoT devices like smart locks and sensors.
E103-W02 Series (CC3200) : Supports four freely configurable power modes, with a minimum standby power consumption of less than 5uA, suitable for industrial control devices that require frequent wake-ups.
E103-W14 Series : Supports low-power mode, allowing simultaneous operation in STA and BLE slave modes, balancing connectivity and power consumption.
2.5 Distributed Mesh Network Technology
EBYTE's E103-W07 module, based on the ESP32-S2 chip, supports the WiFi Mesh networking protocol (ESP-MESH). This technology allows a large number of devices (nodes) distributed over a wide area to connect to each other within the same WLAN, featuring self-organizing and self-healing properties. The network can autonomously build and maintain itself, supporting up to 1000 nodes. It supports both router-assisted and routerless networking modes, enabling large-area coverage without additional APs, suitable for scenarios like smart buildings, farms, and campuses.
2.6 Router-Level Gateway Technology
The E103-W20 series, based on the MediaTek MT7688AN/MT7628AN chip, supports the OpenWrt operating system, allowing for deep secondary development. This series integrates various interfaces like Ethernet ports, USB, and SDIO, and can serve as core devices such as home routers, industrial gateways, and edge computing nodes, providing comprehensive capabilities for network access, data routing, protocol conversion, and local computing.
- Product System and Functional Details
3.1 Serial-to-WiFi Passthrough Module Series
ModelChip SolutionWiFi ProtocolBluetooth ProtocolTx PowerRangeCore AdvantageApplication ScenarioE103-W01ESP8266EX802.11b/g/nNone20dBm100mExtremely cost-effective, mature ecosystemSmart Home, Consumer ElectronicsE103-W02CC3200802.11b/g/nNone20dBm100mIndustrial-grade reliability, 5uA ultra-low standbyIndustrial Control, Medical DevicesE103-W03CC3220R802.11b/g/nNone20dBm180mIndustrial-grade + Ultra-low powerLow-power Devices, SensorsE103-W10ESP8285N08802.11b/g/nNone20dBm250mCost-effective, long rangeSmart Home, IoT NodesE103-W11Proprietary SoC802.11b/g/n/axBLE5.120dBm300mWiFi6+BLE5.1, supports OTAHigh-Performance IoT DevicesE103-W12CDA16200802.11b/g/nNone20dBm500mUltra-low power WiFi, stays connectedBattery-powered Devices (Locks, Sensors)E103-W13CC3301802.11a/b/g/n/axBLE5.421dBm500mWiFi6+BLE5.4, Industrial-grade high performanceIndustrial High-Performance Apps
Functional Details:
E103-W01: As one of the highest-volume WiFi chip solutions globally, the ESP8266EX has an extremely mature developer community and rich application cases. It supports AT command configuration and offers various network protocols including TCP Server/Client, UDP, HTTP, and MQTT.
E103-W02: Based on the TI CC3200, it features an industrial temperature range (-40℃~+85℃) and robust RF performance. It supports 4 power modes with a minimum standby current of only 5uA, making it suitable for industrial sensors and medical devices requiring long standby times.
E103-W12C: Based on the Dialog DA16200, it is EBYTE's flagship low-power WiFi product. Its unique "WiFi stays connected" technology maintains a network connection at extremely low power for instant response, making it ideal for battery-powered devices like smart locks and temperature/humidity sensors.
3.2 Dual-Mode WiFi Module Series (WiFi+BLE)
ModelChip SolutionWiFi ProtocolBluetooth ProtocolTx PowerRangeCore AdvantageApplication ScenarioE101-32WN4-PSESP32-D0WD-V3802.11b/g/nBLE4.220dBm400mMature and stable, rich ecosystemSmart Home, Industrial ControlE101-C3MN4-PSESP32-C3802.11b/g/nBLE5.020dBm200mRISC-V architecture, low powerEntry-level IoTE101-C6MN4-PSESP32-C6802.11b/g/n/axBLE5.320dBm300mWiFi6+BLE5.3High-Performance IoTEWM103-W15SXProprietary SoC802.11b/g/nBLE5.118dBm440mLow power + Dual modeLow-power dual-mode applications
Functional Details:
E101-32WN4-PS: Based on the ESP32 chip, it is the cornerstone of EBYTE's dual-mode WiFi module series. It supports simultaneous WiFi and BLE4.2 dual-mode operation and features a powerful built-in processor capable of running standalone applications. Widely used in smart homes, industrial control, and wearable devices.
E101-C6MN4-PS: Based on the ESP32-C6 chip, it supports the latest WiFi6 and BLE5.3 protocols. WiFi6 brings lower latency and higher network efficiency, while BLE5.3 offers lower power consumption and more stable connections, making it an ideal choice for future high-performance IoT scenarios.
3.3 Dual-Band / High-Performance WiFi Module Series
ModelChip SolutionWiFi ProtocolFrequency BandMax Data RateInterfaceCore AdvantageApplication ScenarioE103-W06CC3235S802.11a/b/g/n2.4G+5G-UARTDual-band + Industrial gradeIndustrial Dual-band Comm.E103-RTL8811CURTL8811CU-CG802.11b/g/n/ac2.4G+5.8G433MbpsUSB2.0Dual-band + Cost-effectiveVideo Transmission, RouterE103-RTL8812CURTL8812CU-CG802.11b/g/n/ac2.4G+5.8G867MbpsUSB2.0Dual-band + High speedHigh-bandwidth Video/Audio
Functional Details:
E103-RTL8812CU: Based on Realtek's high-performance chip, it supports dual-band 2.4G and 5.8G frequencies with a maximum data rate of 867Mbps. Using a USB2.0 interface, it is suitable for applications requiring high bandwidth and low latency, such as wireless video transmission, drone FPV, and high-definition audio streaming.
3.4 Router/Gateway-Level WiFi Module Series
ModelChip SolutionWiFi ProtocolFrequency BandMain InterfacesCore AdvantageApplication ScenarioE103-W20 (7688)MT7688AN802.11b/g/n2.4GEthernet + USB2.0Supports OpenWrt, secondary developmentRouter, Gateway
Functional Details:
E103-W20 Series: Based on the MediaTek MT7688AN/MT7628AN chip, it supports the OpenWrt operating system, providing a complete Linux development environment. Users can perform deep secondary development to implement advanced functions such as custom routing, firewalls, VPNs, protocol conversion, and edge computing, making it a core component for building industrial-grade gateways and smart routers.
- Application Scenarios and Selection Solutions
4.1 Smart Home and Appliances
Recommended Solution: E103-W01, E103-W10
Solution Description: The module acts as an STA, connecting to a home WiFi router and communicating with a cloud server or mobile app via the Internet. This enables remote control, status query, and scene linkage. It supports various control modes like self-locking, momentary, and interlocking, fulfilling the smart needs of appliances like smart sockets, lights, curtains, and air conditioners.
4.2 Industrial Control and Data Acquisition
Recommended Solution: E103-W02, E103-W03, E103-W06
Solution Description: The modules support Alibaba Cloud, Baidu Cloud, OneNet, and standard MQTT protocols, enabling remote data acquisition and control of industrial equipment. They support Modbus protocol conversion (RTU and TCP) and can integrate seamlessly with industrial devices like PLCs, HMIs, and sensors, meeting industrial automation requirements.
4.3 Video and Audio Transmission
Recommended Solution: E103-RTL8812CU, E103-RTL8811CU
Solution Description: The modules support dual-band WiFi with a maximum data rate of 867Mbps, enabling wireless transmission of high-definition video streams with low latency and high stability. Suitable for applications like wireless cameras, drone FPV, wireless speakers, and video surveillance.
4.4 Large-Scale Distributed Networks
Recommended Solution: E103-W07
Solution Description: Based on WiFi Mesh technology, it supports up to 1000 nodes for self-organizing and self-healing networks. Ideal for scenarios requiring large-area coverage and multi-node interconnection, such as smart buildings, farms, campuses, and hotels, providing whole-premises WiFi coverage without the need for additional APs.
4.5 Routers and Edge Computing Gateways
Recommended Solution: E103-W20 Series
Solution Description: Based on the OpenWrt system, it allows for deep secondary development. It can serve as a core router for network access or as an edge computing node for local data preprocessing and protocol conversion, reducing cloud server load. Suitable for applications like industrial IoT and smart cities.
4.6 Ultra-Low Power Battery-Powered Devices
Recommended Solution: E103-W12C Series
Solution Description: Based on the Dialog DA16200 chip, power consumption is extremely low while maintaining a WiFi connection, enabling years of battery life. Ideal for devices with high endurance requirements, such as smart locks, temperature/humidity sensors, asset trackers, and smart wearables. - EBYTE Company Introduction and Industry Advantages
Company Introduction
Chengdu Ebyte Electronic Technology Co., Ltd. (EBYTE), founded in 2012, is a national high-tech enterprise integrating R&D, production, and sales. The company is headquartered in Chengdu, with offices in Shenzhen, Guangzhou, Shanghai, and Beijing, and its business extends to over 100 countries and regions worldwide.
EBYTE specializes in the Industrial IoT Wireless Communication field, with product lines including:
Wireless Modules: LoRa, BLE, Wi-Fi, ZigBee, Sub-1GHz, 4G/5G, NB-IoT, UWB, etc.
Digital Radio Transceivers (DTU) : E90 series, E70 series, E95 series, E180 series, etc.
Industrial Gateways: 4G Gateways, Ethernet Gateways, LoRaWAN Gateways
Network I/O: ME31 series, MA01 series
Industrial Computers: ECM series, ECK series
Antennas and Accessories: Full range of RF antennas, power modules, test kits
Industry Advantages
Full Industrial Chain Coverage: From core RF chips to modules, from DTUs to gateways, from industrial computers to power supplies, EBYTE provides one-stop industrial IoT solutions, eliminating the need for customers to piece together products from different suppliers, thus reducing system integration complexity.
Strong R&D Capability: The company boasts an R&D team of over 100 people, covering RF, embedded systems, hardware, software, and mechanical design. It holds numerous national invention patents and software copyrights, with deep technical accumulation in fields like LoRa, BLE, Wi-Fi, and 4G.
Strict Quality Control System: All products are certified by CE, FCC, RoHS, among other international standards, and some products have obtained the "Radio Type Approval Certificate" from the State Radio Regulatory Commission. The company has passed the ISO9001 Quality Management System Certification and established a full-process quality traceability system from R&D to production, ensuring long-term stable operation in harsh industrial environments.
Comprehensive Ecosystem and Technical Support: EBYTE offers not only hardware products but also complete development tools (configuration software, test kits, development boards), detailed technical documentation (user manuals, application notes, FAQs), and professional technical support to help customers quickly complete product development and project deployment, shortening R&D cycles.
Global Presence and Market Reputation: Products are exported to over 100 countries and regions, including Europe, North America, Southeast Asia, and the Middle East, with long-term cooperation established with over 5,000 enterprises worldwide. Agencies and service centers are located in Germany, the USA, Brazil, and other places, providing localized service support.
Technical Philosophy
EBYTE always adheres to the mission of "Making Wireless Communication Simpler, Making the IoT World Smarter", committed to providing customers with stable, reliable, high-performance, and cost-effective wireless communication products, driving the popularization and development of the Industrial IoT.
Choosing EBYTE means choosing a professional, reliable, and efficient Industrial IoT solution.