Brand originChina
Support Ending
Support Ending
Dahua ASR2101H-D
Category
Reader
First seen by Awernica
Oct 2026
Keep every device you have installed in one list – firmware, lifecycle and replacements. No card.
Software Support
2026-12-31
2 months left
Replacement
Not specified
No verified replacement
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Specifications
From the manufacturer's product information.
System
- OSDP Protocol
- Yes
- Button Type
- Mechanical
Basic
- Product Type
- Card reader
- Buzzer
- Yes
- Backlight
- Yes
- Casing Material
- PC + ABS
Function
- Unlock Mode
- Card, password
- Card Type
- ID card
Performance
- Response Time
- 0.1 s
- Card Reading Distance
- 0 cm–6 cm (0"–2.36")
Port
- RS-485
- 1
- Wiegand
- 1 channel output
Alarm
- Tamper Alarm
- Yes
General
- Power Supply
- 12 VDC, 0.5 A
- Protection
- IP66
- Power Consumption
- ≤ 0.48 W (standby), ≤ 1.2W (working)
- Product Dimensions
- 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")
- Operating Temperature
- –30 °C to +70 °C (–22 °F to +158 °F)
- Operating Humidity
- ≤ 95% (RH)
- Operating Environment
- Outdoor
- Gross Weight
- 104 g (0.23 lb)
- Installation
- Surface Mount
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