Atlas-100Atlas-200Atlas-400
Number of Doors ControlledOne DoorTwo Doors
Number of Readers Supported2 (Wiegand or OSDP Readers)4 (Wiegand or OSDP Readers)
Types of Readers Supported

ZKTeco KR Series readers and 

3rd party 125kHz & 13.56MHz 

Wiegand, OSDP and RS-485 readers

ZKTeco KR Series readers and 

3rd party 125kHz & 13.56MHz 

Wiegand, OSDP and RS-485 readers

Number of Inputs3 (1 Exit Button, 1 Door Sensor, 1 Aux)5 (2 Exit Buttons, 2 Door Sensors, 1 Aux)
Number of Outputs

2 (1 Form C relay for lock and 

1 Form C relay for Aux output)

3 (2 Form C relays for locks and 

1 Form C relay for Aux output)

User Capacity5,0005,000
Events Database Capacity

10,000 transactions 

plus unlimited archive downloads

10,000 transactions 

plus unlimited archive downloads

Weight9 lbs (3.8 kg)10 lbs (4 kg)
CommunicationTCP/IP, Wi-Fi, Wiegand, OSDPTCP/IP, Wi-Fi, Wiegand, OSDP
Browsers SupportedChrome, Firefox, EdgeChrome, Firefox, Edge
EnclosurePowder Coated AluminumPowder Coated Aluminum
MountingWall MountWall Mount
Recommended Power Supply12V DC, 3A (PoE)12V DC, 3A (PoE)
Dimensions (Bundle Only)

14in. X 2.5in. X 12in.

380mm(L) X 80mm(W) X 280mm(H)

14in. X 2.5in. X 12in.

380mm(L) X 80mm(W) X 280mm(H)

Dimensions (Board Only)6.3in. X 4.17in. (160mm X 140mm)7.75in. X 6.73in. (197mm X 171mm)