Device Type: Waterproof Proximity Card Reader (Access Control Peripheral)
Model / SKU: DHI-ASR2100A (also listed as ASR2100A; -D variant supports ID Card, -ME variant supports Dual Frequency)
Brand: Dahua
Series: ASR2 Series
Card Type / Frequency:- ASR2100A (Standard): IC Card (MIFARE Classic 1K, 13.56 MHz)
- ASR2100A-D: ID Card (125 kHz, AM Modulation)
- ASR2100A-ME: Dual Frequency (IC Card 13.56 MHz + ID Card 125 kHz)
Read Range: 0 cm – 5 cm (0" – 1.97")
Response Time: 0.1 s
Data Ports: 1 × RS-485 Channel; 1 × Wiegand Output Channel (Wiegand 34 Protocol)
Unlock Mode: Card Swiping
Indicators & Prompts: Buzzer and Indicator Light for Reading Prompts
Protection:- IP Rating: IP66 (Silicon sealant required for outdoor installation — see manual)
- Tamper Alarm: Yes
- Watchdog: Built-in watchdog program detects and recovers from abnormal operation
- Port Protection: All connection ports feature overcurrent and overvoltage protection
Power Supply: 12V DC, 0.5A
Power Consumption: Standby ≤ 0.9W; Working ≤ 1.7W
Casing Material: PC Material with Acrylic Panel
Dimensions (L×W×H): 123 mm × 86 mm × 15 mm (4.84" × 3.38" × 0.59")
Gross Weight: 0.35 kg (0.77 lb)
Installation: Surface Mount
Environmental:- Operating Temperature: –30°C to +70°C (–22°F to +158°F)
- Operating Humidity: 5%–95% RH (Non-Condensing)
- Operating Environment: Indoor / Outdoor
Certifications: CE; FCC
Key Specs: Dahua DHI-ASR2100A Waterproof Card Reader, IC Card (MIFARE 13.56 MHz) / ID Card (125 kHz) / Dual Frequency Variants, 0–5 cm Read Range, 0.1s Response Time, RS-485 & Wiegand 34, IP66 Protection, Tamper Alarm, Overcurrent & Overvoltage Protection, Built-in Watchdog, 12V DC 0.5A (≤1.7W), PC/Acrylic Casing, 123×86×15mm, 0.35kg, –30°C to +70°C, Surface Mount, Indoor/Outdoor, CE/FCC Certified
Usage: Access Control Systems, Office & Commercial Building Entrances, Industrial Zones, Schools, Factories, Stadiums, Residential Areas, Government Properties, and Any Indoor or Outdoor Installation Requiring Reliable Card-Based Access Control with Weatherproof Protection
