Gate of the entrance guard device can be data interaction through what way?

CodePudding user response:

Most of the entrance guard system is the rfid card reader, so or RS485 communication

CodePudding user response:

Online to find information and have a look

CodePudding user response:

4 g module, remote wifi, direct pull, electricity, etc., cat and zigbee, bluetooth 5.0, etc

CodePudding user response:

Generally have a serial port, a serial port turn network turn now 4 g