  System Features
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Support Mifare or ISO14443 Type A card |
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Operating: Mifare Card Serial Number |
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Weigand 24/34 interface |
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Water proof design |
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RF8504 is for surface mounting |
Technical Specifications
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Card Format: Mifare S50 1KB or compatible |
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Dimension: 87mm × 109mm × 31mm |
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Hole diameter: 75mm |
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DC Power: 7 - 15VDC |
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Static Current: 50mA, Operating Current: 60mA. |
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Temperature: - 25 ~ 70 Degrees |
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Humidity: 10% ~ 90% |
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Weight: 200g |
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Reader range: 4-6cm |
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Output: Wiegand 26/34 bits |
Connection Pin Assignment
1 |
Black |
Ground (GND) |
2 |
Orange |
Hold |
3 |
Blue |
Green LED |
4 |
Green |
Data0 (Data) |
5 |
White |
Data1 (CLK) |
6 |
Brown |
BUZZER (buzzer control) |
7 |
Red |
Power supply (VCC): 7 -15VDC |
Note: 
The connection between reader and controller should use the 8 cores STP. The diameter should over 24AWG(0.206mm²), the distance should be less than 100M.
To transmit the data successfully, the data0 and data1 should use the wire in the same pair. E.g. Green, Green/white.
When the transmitting distance is over 60M, we should combine the wires to connect Data0 and Data1, this is for reduce the resistance.
Do not use the same source of power supply for the electrical door lock and readers to avoid electrical sparkle interference.
Installation for Surface mounting
Drill into the wall for 2 holes (diameter=6mm, depth=32mm), and drill for another hole of 1/2 inch.
Drill the reader's wire through the hole, and use screw (6*22mm) to peg the reader base..
Cover the reader module into reader base. When you hear "Ka", it's OK.
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