[Interface type]：RS485
[Product net quantity]：68*66*21mm
[Technical features]：ZigBee3.0 communication standard
[Introduction]：E180-DTU (Z20-485) is a wireless data transmission station based on ZigBee3.0 technology, with multiple functions such as transparent transmission and protocol transmission. As a communication medium, wireless data transmission station has a certain scope of application like optical fiber, microwave, and open wire: the station provides real-time and reliable data transmission of monitoring signals in the private network under certain special conditions, zigbee3.0 digital transmission station It has the characteristics of low cost, convenient installation and maintenance, strong diffraction ability, flexible network structure, and long coverage. It is suitable for occasions with many and scattered points and complex geographical environments. Terminals are connected.
| The main parameters | unit | parameter value | Remark |
| Working frequency | GHz | 2.400 ~ 2.480 | Support ISM frequency band |
| transmit power | dBm | 20 | |
| blocking power | dBm | 0 ~ 10.0 | Less chance of burning when used at close range |
| Serial baud rate | bps | 9600, 19200, 38400, 57600, 115200 | Default 115200bps |
| Matching impedance | Ω | 50 | Equivalent impedance |
| Minimum sending packet length | byte | 1 | |
| Measured distance | Km | 1.3 | It is clear and open, the antenna gain is 5dBi, the height is 2.5 meters, and the air rate is 250kBps. |
| Electrical parameters | unit | parameter value | Remark |
| Operating Voltage | V | +8 ~ +28V DC | 12V or 24V power supply is recommended |
| emission current | mA | 78 @20dBm | |
| Operating temperature | ℃ | -40 ~ +85 | industrial grade |
| storage temperature | ℃ | -40 ~ +125 |
| The main parameters | parameter value | Remark |
| RF chip | EFR32MG1B | Original imported from Silicon Labs |
| Product Size | 68*66*21mm | Antenna not included |
| FLASH | 256KB | |
| RAM | 32KB | |
| supporting agreement | ZigBee3.0 | |
| Communication Interface | RS485 | 3.81mm terminal block |
| Antenna interface | SMA-K | External thread inner hole |