Frequency：410～441MHz
Power：20dBm
Distance：3km
Size：92*67*30mm
Interface：RS232
Weight：95±5g
Interdoction：E95-DTU (433L20-232) is a wireless data transmission DTU that uses military-grade LoRa modulation technology. It has a variety of transmission methods. It works at (410/441M) frequency band (default 433MHz). The DTU provides a transparent RS232 interface, plastic shell. rail type installation structure, support 8~28V voltage input
Model
| Mode | Working Frequency | Transmit Power | Distance | Specifications | Recommended Application Scenarios |
| Hz | dbm | km | |||
| E95-DTU(433L20-232) | 410/441M | 20 | 3 | Lora spread spectrum anti-interfernce | Suitable for small data volume and long-distance application environment |
Parameter
| 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 | 8～28V DC | Recommend to use 12V or 24V |
| 6 | Interface | RS232 | 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 |
Frequency range and channel number
| Model | Defaul tFrequency | Frequenc yRange | Channel Spacing | Number of Channels |
| Hz | Hz | Hz | ||
| E95-DTU(433L20-232) | 433M | 410～441M | 1M | 32，Half Duplex |
Current parameter
| Model | Transmitting Current mA | Waiting Current mA | ||
| 12V | 24V | 12V | 24V | |
| E95-DTU(433L20-232) | 230 | 135 | 20 | 12 |
| No. | Name | Function | Description |
| 1 | Mode | Mode switch button | Working mode switching control |
| 2 | ANT | RF interface | SMA-K，External thread inner hole |
| 3 | DC | Power supply | DC power input port, pressure line port |
| 4 | RS232 | RS232 interface | Standard RS-232 interface |
| 5 | PWR | Power indicator | Lights up when the power is on |
| 6 | TXD | Sending indicator | Flashes when sending data |
| 7 | RXD | Receiving indicator | Flashes when receiving data |
| 8 | MO | Mode indicator | Working mode indicator |
| 9 | M1 | Mode indicator | Working mode indicator |
| Order online |
| 【eBay】：https://www.ebay.com/usr/cdebyte |
| 【Aliexpress】：https://cdebyte.pt.aliexpress.com |
| 【Aliexpress】：https://www.aliexpress.com/store/2798183 |
| 【Alibaba】：https://www.alibaba.com |
| For batch order/customized product |
| 【Sales hotline】：+86-28-61399028 Ext.812 |
| 【E-mail】：service@cdebyte.com |
| Technical support |
| 【Submit online】：http://www.ebyte.com/en/apple-technology.aspx |
| 【E-mail】：support@cdebyte.com |
| 产品 型号 | Interface Type | IC | Frequency Hz | Power dBm | Distance km | Air data rate bps | Package | Size mm | Feature | 技术 手册 | 样品 购买 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| E95-DTU(400F20-485) | RS485 | - | 410～510M | 20 | 1 | 2.4k | 92*67*30 | cost-effective | |||
| E95-DTU(433L20-485) | RS485 | - | 410～441M | 20 | 3 | 2.4k | 92*67*30 | LoRa spread spectrum anti-interference | |||
| E95-DTU(433L20-232) | RS232 | - | 410～441M | 20 | 3 | 2.4k | 92*67*30 | LoRa Spread Spectrum anti-interference | |||
| E95-DTU(400F20-232) | RS232 | - | 410～510M | 20 | 1 | 2.4k | 92*67*30 | cost-effective |
