The EBYTE E96-DTU(433L20-485)-V8 is industrial-grade LoRa wireless data transceiver for field PLC monitoring, operating on 410 to 441MHz ISM band with factory default 433MHz frequency. Equipped with 20dBm transmit power, it supports transparent Modbus RTU data transmission up to 3 kilometers open line-of-sight. This DIN-rail mounted modem adopts plastic housing and supports wide AC 85 to 265V industrial power supply for factory automation systems.
| Product Parameter | E96-DTU(433L20-485)-V8 Specifications |
|---|---|
| Operating Frequency Range | 410 to 441 MHz (Default: 433 MHz) |
| Maximum Transmit Power | 20 dBm (approximately 100 mW) |
| Reliable Wireless Distance | 3 km (in open, unobstructed environments) |
| Modulation Technology | Military-grade LoRa Spread Spectrum |
| Communication Interface | RS485 (Industrial terminal block, transparent protocol support) |
| Input Operating Voltage | 85 to 265 V AC |
| Enclosure Structure | Industrial plastic shell, supporting integrated DIN-rail mounting |
| Physical Dimensions | 92 * 67 * 30 mm |
| Product Net Weight | 95 plus or minus 5 grams |
| Mode |
Working Frequency |
Transmit Power |
Distance | Specifications | Recommended Application Scenarios |
| Hz | dbm | km | |||
| E96-DTU(433L20-485) | 410/441M |
20 | 3 | Lora spread spectrum anti-interfernce |
Suitable for small data volume and long-distance application environment |
| No. | Term | Specification | Description |
| 1 | Size | 92*67*30 mm | Review installation dimensions for details |
| 2 | Weight | 95g | Weight tolerance 5g |
| 3 | Working Temperature | -40℃～+85℃ | Meet the needs of industrial use |
| 4 |
Antenna impedance |
50Ω |
Standard 50Ω characteristic impedance |
| 5 | Voltage Range | 86~265 (AC) | Recommended AC voltage is 110V/220V |
| 6 | Interface | RS485 | 3.81 terminal block |
| 7 | Baud Rate | Default 9600 | Baud rate range 1200～115200 |
| 8 | Address Code | Default 0 | A total of 65536 address codes can be set |
| Model |
Defaul tFrequency |
Frequenc yRange |
Channel Spacing |
Number of Channels |
| Hz | Hz | Hz | ||
| E96-DTU(433L20-485) | 433M | 410～441M |
1M | 32，Half Duplex |
| Model | Transmitting Current mA | Waiting Current mA | ||
| 12V | 24V | 12V | 24V | |
| E96-DTU(433L20-485) | 135 | 20 | 12 | |
Practical Application Scenarios
1. Industrial Modbus RTU PLC Automation Networks
In manufacturing and processing plants, programmable logic controllers (PLCs) and remote I/O modules must communicate continuously over long distances. Laying physical cables is often cost-prohibitive and structurally difficult. The E96-DTU(433L20-485)-V8 connects directly to the RS485 lines of local PLCs. It transmits Modbus RTU data packages transparently up to 3km, resisting heavy industrial electromagnetic noise through military-grade LoRa modulation.
2. Smart Agricultural Valve and Irrigation Control
Large-scale farming operations use valve controllers and soil sensors scattered across square kilometers of terrain. The E96-DTU units act as dedicated wireless serial bridges. The central irrigation computer polls the remote RS485 slave sensors, utilizing the high penetration power of the 433MHz frequency band to easily bypass crop canopies, trees, and minor landscape elevations without signal dropouts.
3. Electrical Power Grid and Substation Telemetry Monitoring
Power grids require real-time transmission of transformer temperature, current, and voltage metrics. Operating under a wide voltage supply range of 85 to 265V AC, the E96-DTU can be directly wired to standard AC power lines. It snaps onto standard 35mm DIN-rails within distribution panels, linking high-voltage telemetry devices back to the control room terminal via reliable transparent LoRa wireless links.
FAQ Section
1. Does the E96-DTU(433L20-485)-V8 support industrial Modbus protocol conversion?
Yes. The DTU is designed for transparent data transmission over RS485 interfaces, making it natively compatible with Modbus RTU protocols. It treats Modbus data frames as standard serial byte streams without modifying the internal packet structure, ensuring seamless integration with third-party PLCs, industrial HMIs, and SCADA monitoring software.
2. How does the wide 85 to 265V AC voltage input benefit industrial cabinet integration?
Industrial and utility sites often lack access to standard low-voltage DC power rails (like 12V or 24V DC). The built-in switching power module in the E96-DTU(433L20-485)-V8 accepts direct connections to standard mains power (85 to 265V AC, 50 or 60 Hz). This eliminates the need for external power adapters, saving valuable physical space inside electrical enclosures.
3. What is the physical installation method for this DTU inside control panels?
The DTU is housed in a rugged industrial plastic shell that features an integrated DIN-rail mounting clip on the back panel. It is designed to snap directly onto standard 35mm DIN-rails, enabling quick, secure, and tool-free mounting inside electrical control boxes, utility panels, and automated distribution cabinets.
4. Can the operating frequency and air data rate of the E96-DTU be adjusted?
Yes. You can configure the operational parameters (such as the specific frequency channel within the 410 to 441 MHz range, air data rates, serial baud rate, and parity configurations) using Ebyte's configuration software. To do this, simply connect the RS485 port of the DTU to a PC using an RS485-to-USB converter and access configuration mode.