| Voltage range | 100~300 VAC |
| Communication method | Uplink: 4G,Ethernet Downlink: LoRa,RS485 Local: Infrared |
| Temperature range | -40℃~70℃ |
| Humidity range | Annual average =75%; maximum =95% |
| Life span | More than 10 years |
| Protection level | Ip54 |
| Installation method | BS installation method |
| Dimensions (mm) | 98*146*53.5mm |
| Communication protocol | DLT 645-2007,Q/GDW 1376-2013 |
| Frequency range | 50Hz±5%/60Hz±5% |
| Power consumption | Power consumption of voltage circuit ≤2W 5VA Power consumption of current circuit ≤2VA |
| LoRa | Working frequency band:433~510MHZ(Frequency bands can be customized upon request) |
| Modulation mode:LoRa,GFSK,FSK etc. | |
| Receive sensitivity:-129dBm±1dBm(SF=9,BW_L=125KHz) | |
| Transmit power:Max.22dBm | |
| Communication distance:500m (@SF=9, BW=125KHz, no visual obstacles, LoRa modulation, maximum transmission power) | |
| RS485 | RS485 supply voltage:4.8V-5.2V (current 5-50mA) |
| Baud rate:2400bps | |
| Application | Residential communities, apartments, factories, shopping malls, office buildings, hotels, photovoltaic power stations |
| Data collection | Through the system to send transparent command to read the meter data,support single mark reading, multi-meter reading. Automatic collection of all kinds of meter data function. |
| Meter file management | Function of sending energy meter files through transparent transmission command.Function of querying energy meter file information |
| Clock function | Daily timing error =0.5S (optional) |
| Remote data transmission | Remote interaction and communication with the main station are achieved through the 4G network, and energy meter data is reported through data forwarding (communication conversion) |
| Local function | DCU running status indicator, key query |
