DAHUA-1790 Model: ASR2201D-BD

RFID EM-ID (125KHz) reader for access control with keyboard. 3~5 cm range . Bluetooth supported, 0~5 meter range. RS485 and Wiegand 34 interface. IP65. 12V DC.



• Bluetooth reader: 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. 

• OSDP (Open Supervised Device Protocol): 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.


  • Wiegand 34 bits interface and RS-485 control
  • OSDP protocol supported
  • EM card reader (125KHz)
  • Water resistant design
  • LED indicators: red, blue and green
  • Surface installation mount

- RFID EM reader for access control with keyboard
- Bluetooth supported 
- 8 Bit processor
- Card type: EM-ID (125KHz)
- Card reading range: 3~5 cm
- Card reading response time <0,5s
- Bluetooth reading range: 0~5 meters
- Bluetooth reading response time <1s
- 12 key keyboard
- Beep tone by buzzer
- Communication with controller: RS485 (data: 1000 meters; power supply: 100 meters), Wiegand 34 (data: 40 meters; power supply: 100 meters)
- Power supply: 9V ~ 15V DC, 100mA
- Working temperature: -30°C ~ +60°C
- RH: ≤95%
- IP65
- Dimensions: 47,5 x 16 x 135 mm
- Weight: 200 g


Share to your social networks.      
The access to the selected section may take a few minutes depending on the volume of documentation. Please wait, sorry for the delay.