Brand originChina
Support Ending
Support Ending
Dahua ASR2101A
Category
Reader
First seen by Awernica
Oct 2026
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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.
Basic
- Product Type
- Card reader
- Buzzer
- Yes
- Casing
- PC/acrylic panel
Function
- Unlock Mode
- Card swiping/password; Multiple unlocking modes
- Card Type
- IC card
- Modulation Type
- AM
- Frequency Range
- 13.56 MHz
- Max Transmission Power
- 42 dBuA/m @10 m
Performance
- Response Time
- 0.1 s
- Card Reading Distance
- 0 cm–5 cm (0"–1.97")
Port
- RS-485
- 1 channel
- Wiegand
- 1 output channel
Alarm
- Tamper Alarm
- Yes
General
- Power Supply
- 12V 0.5A DC
- Protection
- IP66 (silicon sealant is needed, see the manual)
- Power Consumption
- Standby ≤ 0.9W, working ≤1.7W
- Product Dimensions
- 123 mm × 86 mm × 15 mm (4.84" × 3.38" × 0.59"); (L × W × H)
- Packaging Dimensions
- 185 mm × 163 mm × 71 mm (7.28" × 6.41 × 2.80"); (L × W × H, 1 in inner carton); 578 mm × 383 mm × 349 mm (22.76" × 15.08" × 13.74") (L × W × H, carton)
- Operating Temperature
- –30°C to +70°C (–22°F to +158°F)
- Operating Humidity
- 5%RH–95% (non-condensing)
- Operating Environment
- Indoor; outdoor
- Gross Weight
- 0.35 kg (0.77 lb)
- Installation
- Surface mount
- Certifications
- CE; FCC
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