Device Type: Waterproof Card & Password Access Reader (Access Control Peripheral, Outdoor)
Model / SKU: DHI-ASR2101H (also listed as ASR2101H)
Brand: Dahua
Unlock Mode: Card, Password (Card + PIN for two-factor authentication)
Card Type: IC Card (MIFARE Classic 1K, 13.56 MHz)
Card Reading Distance: 0 cm – 8 cm (0" – 3.15")
Response Time: 0.1 s
Keypad: Mechanical Buttons with Backlight
Prompts: Buzzer and Indicator Light for operational feedback
Data Ports / Communication:- RS-485: 1 Port
- Wiegand: 1 Channel Output (Wiegand 34 default; Wiegand 26 configurable)
- OSDP Protocol: Supported
Protection:- Ingress Protection: IP66 (Weatherproof for Outdoor Use)
- Tamper Alarm: Yes
- Watchdog: Built-in — Monitors, Controls, and Recovers the Device from Abnormal Operation
- Port Protection: Overcurrent and Overvoltage Protection on All Connection Ports
Power Supply: 12 VDC, 0.5 A
Power Consumption: ≤ 0.48 W (Standby); ≤ 1.2 W (Working)
Physical:- Casing Material: PC + ABS
- Product Dimensions (L×W×H): 127 mm × 46 mm × 20 mm (5.00" × 1.81" × 0.79")
- Packaging Dimensions: 139 mm × 73 mm × 48 mm (5.47" × 2.87" × 1.89")
- Gross Weight: 104 g (0.23 lb)
- Installation: Surface Mount
Environmental:- Operating Temperature: –30 °C to +70 °C (–22 °F to +158 °F)
- Operating Humidity: ≤ 95% RH
- Operating Environment: Outdoor
Key Specs: Dahua DHI-ASR2101H Waterproof Access Reader, Card + Password Unlock, IC Card (MIFARE 13.56 MHz, 0–8 cm Read Range), Mechanical Keypad with Backlight, Buzzer & Indicator Light Prompts, RS-485 + Wiegand 34 (Wiegand 26 Configurable) + OSDP, IP66 Outdoor Protection, Tamper Alarm, Watchdog, Overcurrent & Overvoltage Protection, 12V DC 0.5A (≤0.48W Standby / ≤1.2W Working), PC+ABS Housing, 127×46×20mm, 104g, Surface Mount, –30°C to +70°C, Outdoor Use
Usage: Outdoor Access Control Systems, Office & Commercial Building Entrances, Industrial Zones, Schools, Factories, Residential Areas, and Any Outdoor Installation Requiring Reliable Card and Password-Based Access Control with Weatherproof Protection