Description DAHUA ASR2102A READER The DAHUA ASR2102A is an advanced fingerprint reader with RFID functionality, designed for access control. Here are the key features: Functionality: Allows unlocking using an RFID card (Unique EM 125kHz or MIFARE supported, depending on the variant) and a fingerprint. Support for two-factor authentication – simultaneous use of card and fingerprint. It stores up to 3,000 fingerprint patterns, which allows it to support a large number of users. Technical specifications: The card reading range is from 0 to 5 cm. Identification time: ≤ 1.5 seconds. Communication: RS-485 (and optional Wiegand, depending on the model). Power supply: 12V DC, with a maximum current consumption of up to 500 mA. Operating temperature: -20°C to 65°C. IP65 tightness class – with appropriate housing sealing (e.g. with silicone). Construction and materials: The housing is made of plastic and acrylic glass (plexiglass), available in silver or black. Dimensions: 70 x 70 x 26 mm, weight approximately 90 grams. Additional features: Built-in watchdog, buzzer and LED indicator for better diagnostics of device operation. Overvoltage and overload protection. Dahua ASR2102A products are used in access control systems in industrial, office, school and residential facilities, where security and quick user identification are crucial. Key features PC material, acrylic panel and IP65, suitable for indoor and outdoor use Support contactless IC card recognition (Mifare card) Support Card/Fingerprint Unlock Support for RS-485 communication protocol Buzzer and indicator prompt support Tamper alarm support; The built-in watchdog can detect and monitor the abnormal working status of the device and perform recovery processing to ensure the long-term operation of the device All connection ports have overcurrent and overvoltage protection Technical specifications Basic Product type Fingerprint Card Reader Buzzer Yes Case PC/acrylic panel Function Unlock mode Card swiping/fingerprint Multiple unlocking modes Card type IC card/ID card Efficiency Response time 0.1 sec Card reading distance 0 cm–5 cm (0″–1.97″) Fingerprint reader type Capacitive fingerprint sensor Fingerprint verification mode 1:N Fingerprint recognition time 1.5 sec Capacity Fingerprint capacity 3000 Port RS-485 1 channel Alarm Tamper alarm Yes General Charger 12V 0.5A DC Security IP65 (silicone sealant is needed, see the manual) Energy consumption Standby ≤ 1.0W, working ≤ 1.7W product dimensions 70mm × 70mm × 26mm (2.76″ × 2.76″ × 1.02″) (L × W × H) Package dimensions 110 mm × 97 mm × 90 mm (4.33″ × 3.82″” × 3.54″) (L × W × H, 1 in inner carton) 578 mm × 313 mm × 204 mm (22.76″ × 12.32″ × 8.03″) (L × W × H, carton) operating temperature –20°C to 65°C (–4°F to 149°F) Working humidity 5%RH–95% (non-condensing) Operating environment Indoor; outdoor Gross weight 0.17 kg (0.37 lb) Installation Surface mount Certificates CE; FCC
