# HID iCLASS SE RK40 Card Reader

- Housing: UL 94 polycarbonate

- Dimensions: 8.5 x 12.2 x 2.8cm

- Power Requirement: 10-16VDC

- 4×3 keypad, supports dual authentication with PIN code

- Operating Frequency: 13.56 MHz

- Provides standard Wiegand / Clock-and-Data output

- Reading Range: 1.3–11.3cm (varies by card type, refer to card specifications for exact reading distance)

- Ingress Protection: IP55 (Indoor / Outdoor use)

- Color: Black