Details of the problem:
If you want to install the access control devices in the gate of the community, you can't pay the management fee by the time you pay the management fee, and you can't get the card in and out normally. Do you have the proper device for the communication line?
Expert answer:
Hello, thank you for your attention to our products. The offline system of our company's offline system and the product of the card lock system support the expiration of the offline card management. No communication lines are require. Reduce the time for construction.
