Products descripation:

The lock control board use the 2G or 4G interface, connects to the cloud server by using TCP protocol directly. It supports multiple electronic control locks, and support lock signal feedback, supports 12V and 24V electronic locks. The lock feedback mode can be configured through software, with independent PTC self-recovery fuse, support short circuit protection for locks. The protection current is 3A,  providing  tool software,. The users can change the server address, port, device ID, communication protocol, and of lock feedback,  and other parameters. The lock control board has a 485 communication interface, which can expand the lock control board of multiple 485 interfaces or other 485 devices.

2G/4G board series have 12way, 25way,36 way type.

4G 12 way

4G 25way

4G 36way 

2G  12 way

2G  25 way

2G  36 way

More details, contact mus freely.