Четец Dahua ASR2201D-B

The bluetooth reader means it can interact with your smart mobile phone. The reader can receive the
information by bluetooth when your phone is nearby it. There is no need to pair the reader with mobile
phone. All you must do is that you click the unlock button on mobile phone's screen or shake your phone. The
app name is Easy4key, choose access control and scan the QR code from SmartPSS, then the app will add your
access card information. After this step, your phone is your access card.
What is OSDP?
Open Supervised Device Protocol (OSDP) is an access control communications standard developed by the
Security Industry Association (SIA) to improve interoperability among access control and security products.
OSDP v2.1.5 is used in current firmware version, it's a standard recognized by the American National
Standards Institute (ANSI), and OSDP is in constant refinement to retain its industry-leading position.
Why use OSDP?
Already in wide use by many manufacturers, the Security Industry Association encourages broad adoption of
this standard and recommends specifying OSDP for any access control installations that require real security
and/or will be used in government and other higher security settings.

Features
· Wiegand34(26 optional) bits RS-485 protocol
· Support OSDP;
· 13.56MHz(Mifare)
· 125KHz(EM-ID)
· Water-proof design
· Red, blue and green indicator LEDs
· Surface mounted installation