CPU |
32-bit ARM7TDMI |
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Number of User Cards |
1,000 / 40,000 cards (standalone / networked mode) |
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Event Buffer |
65,536 events and log data |
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Power |
100 ~ 240V AC, 50 ~ 60Hz |
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RS-485 Interface |
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Wiegand Interface |
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TCP/IP Interface |
1 TCP/IP interface for GV-CR420 and GV-GF1921 / 1922 |
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Communication |
TCP/IP |
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Battery |
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Input |
2 inputs, dry contact, NO / NC |
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Output |
1 relay output (30V DC, 1A; 110V AC~250V AC, 0.3A) |
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Operating Temperature |
-35 °C ~ 65 °C (-31 °F ~ 149 °F) |
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Operating Humidity |
10 ~ 90% RH (non-condensing) |
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Dimensions (W x H x D) |
95 x 108 x 23 mm (3.74 x 4.25 x 0.91 in) |
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Weight |
270 g / 0.59 lb |
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Certification |
CE, FCC, RoHS |
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Ingress Protection |
IP66 |
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Frequency |
13.56 MHz for ISO14443A (Mifare DESFire, Mifare Plus and Mifare Classic) |
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