To meet the high-reliability demands of wireless communication in industrial IoT and intelligent control scenarios, Ebyte has launched the new EWD95M Series Wireless Data Radios. With an ultra-compact size (DIN rail mount design) and diversified technology solutions, this series covers all application scenarios and redefines the standards of industrial-grade wireless transmission.

EWD95M Series Core Technology Solutions and Model Analysis

Military-Grade LoRa Radio (EWD95M-400SLxx)

• Frequency Band: 410.125 MHz–493.125 MHz (default: 433.125 MHz)

• Features: Utilizes LoRa spread spectrum technology for ultra-long-range communication (supports multi-level relays). The LBT (Listen Before Talk) function enhances communication success in harsh environments. Industry-leading anti-interference capabilities.

• Ideal for: Cross-region environmental monitoring, interconnection of devices in complex terrains.

Standard LoRaWAN Node (EWD95M-400LNxx / 900LNxx)

EWD95M-400LNxx(xxx) is a wireless data transmission radio based on the standard LoRaWAN protocol, which can be interconnected with the standard LoRaWAN network. It comes with LoRaWAN standard firmware and works in the frequency band of 410~510MHz. EWD95M-900LNxx(xxx) works in the frequency band of 850~930MHz. Provides transparent RS485/RS232 interface. Supports LoRaWAN 1.0.3 EU433/CN470 standard or LoRaWAN 1.0.4 EU868, US915, AU915, AS923, IN865, KR920, RU864 standard, supports CLASS-A/CLASS-C node types, and supports ABP/OTAA two network access methods.

• Protocol Compatibility: Supports LoRaWAN 1.0.3 (EU433/CN470) and 1.0.4 (EU868/US915 and other global standards), CLASS-A/C dual modes, ABP/OTAA flexible network access.

• Value Proposition: Seamless integration with existing LoRaWAN gateways, enabling rapid deployment of low-power wide area networks.

LoRa Mesh Networking Radio (EWD95M-400NWxx)

EWD95M-400NWxx(xxx) is a wireless data radio using the new LoRa Mesh networking technology, with decentralization, self-routing, network self-healing, multi-level routing and other functional features. It is compact, uses a plastic shell, and has a guide rail installation structure. The data radio adopts a decentralized structure. The entire network consists of routing nodes and terminal nodes. No central node or coordinator is required to participate in network management. The network is simple to build and easy to use.

• Architectural Innovation: Decentralized network design supporting multi-level routing and self-healing capabilities. No central node required, greatly simplifying network setup.

• Typical Applications: Smart building automation, distributed warehousing and logistics systems.

GFSK High-Speed Transmission (EWD95M-433GFxx)

EWD95M-433GFxx(xxx) is a wireless data transmission radio using GFSK modulation technology, with multiple transmission modes, and operates in the (410MHz～450MHz) frequency band (default 433MHz). GFSK modulation technology can transmit more data within limited spectrum resources. The radio supports functions such as air wake-up, wireless configuration, relay networking, communication keys, etc., and also has data encryption function. Through strict encryption and decryption algorithms, it ensures data security and improves communication reliability and transmission efficiency.

Efficiency Breakthrough: Efficient spectrum utilization within the 410MHz–450MHz band. Supports over-the-air wake-up and data encryption to ensure secure industrial data transmission.

Domestic ChirpIoT™ Solution (EWD95M-400GLxx)

EWD95M-400GLxx(xxx) is a wireless data transmission radio based on Ebyte E290-T series serial port module (UART), using ChirpIoT™ spread spectrum technology, with multiple transmission modes, and operates in the 410.125～493.125MHz frequency band (default 433.125MHz). The data transmission radio adopts the new generation of ChirpIoT™ spread spectrum technology, supports half-duplex wireless communication, has the characteristics of high anti-interference and high sensitivity; supports air wake-up, wireless configuration, automatic relay, communication key, AT command, IAP upgrade and other functions, and supports packet length setting.

• Independently Developed: Based on Ebyte's E290-T module. Supports half-duplex communication, over-the-air firmware upgrade (IAP), and configurable packet lengths. Designed to perform well in demanding electromagnetic environments.

2.4GHz Frequency-Hopping Radio (EWD95M-2G4Hxx)

EWD95M-2G4Hxx(xxx) is a wireless data transmission radio based on Ebyte E34-T series serial port module (UART), working in the 2.4~2.518GHz frequency band (default 2.4GHz). The radio has automatic frequency hopping function, strong anti-interference ability, high transmission rate and low delay. Automatic frequency hopping technology is used to ensure the confidentiality and anti-interference of communication. Compared with fixed-frequency communication, frequency hopping communication is more concealed and difficult to be intercepted. Frequency hopping communication also has good anti-interference ability. Even if some frequencies are interfered, normal communication can still be carried out on other frequencies that are not interfered.

• Anti-Interference Core: Operates in the 2.4–2.518GHz band with automatic frequency hopping. Increases anti-interception and anti-jamming capability by 300%, ideal for high-density device deployment scenarios.

Wireless narrowband data transmission radio

EWD95M-433Nxx(xxx) is a wireless data transmission radio based on Ebyte E30-T series serial port module (UART). It has the characteristics of half-duplex, integrated transceiver, transparent transmission, etc.

 It works in the 425~450.5MHz frequency band (default 433MHz). The radio provides a transparent RS485/RS232 interface, adopts a plastic shell, and a guide rail installation structure. The radio has a software FEC forward error correction algorithm, which has high coding efficiency and strong error correction ability. In the case of sudden interference, it can activelycorrect the interfered data packets, greatly improving reliability and transmission  distance.

Common Advantages of Industrial-Grade Design

• Extreme Environment Adaptability: Operating temperature range of -40℃ to +85℃, IP67 protection level, reverse power connection and surge protection.

• Smart Operation & Maintenance: Built-in watchdog and parameter memory functions enable self-recovery from abnormal states. Supports Modbus protocol for seamless PLC integration.

• Easy Deployment: Flame-retardant plastic casing, DIN rail mounting, hidden mode-switch button, 5–28V wide voltage input to reduce power supply costs.

Application Scenarios Across Industries

• Industrial Control: Wireless monitoring of production line equipment status, replacing traditional wired RS485 solutions.

• Environmental Monitoring: Remote transmission of sensor data such as temperature, humidity, and gas concentration.

• Smart Home: Mesh networking enables zero-blind-spot coverage for smart home devices.

• Energy Management: Status diagnostics and early warning for photovoltaic power stations and power distribution networks.