K21
Self-Service Terminal

K21

21.5" Self-Service Kiosk — Binocular Face ID + Metal PIN Pad

Rockchip RK3576 6 TOPS NPU
Key Features

Why K21?

Specifications

Detailed Specifications

Main ControllerRockchip RK3576 Quad Cortex-A76 + Quad Cortex-A55 @ 2.2 GHz
NPU6 TOPS INT8/INT16, on-device face recognition
Memory4 GB LPDDR4X (opt. 8 GB) + 32 GB eMMC (opt. 64/128 GB)
Display21.5" FHD 1920×1080 IPS, 10-point capacitive touch, anti-glare tempered glass
Face RecognitionBinocular RGB + IR wide-dynamic, liveness / anti-spoofing
Card ReaderNFC/RFID 13.56 MHz + IC contact + magnetic stripe
PIN PadMetal backlit EPP with privacy shield, PCI-compliant
Receipt Printer58 mm thermal, auto cutter
CameraDual 2 MP (RGB + IR) with IR fill-light
Audio2× 5 W speaker + dual-mic array
ConnectivityGigabit LAN, Wi-Fi 6, BT 5.x, 4G LTE (opt.)
I/OUSB 2.0×4, RS232, RS485, HDMI out, GPIO
NetworkTCP/IP, HTTP/HTTPS, MQTT, WebSocket
PowerAC 100-240 V, 50/60 Hz
Operating−10 ~ +50 °C, IP54 front panel
MountFloor-standing pedestal (wall / desktop kits optional)
MaterialSECC steel + aluminum alloy, anti-corrosion coating
DimensionsCabinet 1400 × 460 × 95 mm (H×W×D) + pedestal
Applications

Scenarios

Bank branch self-serviceGovernment hall one-stop serviceHospital registration & paymentHotel self check-in / check-outTelecom service hallsCourt / tax / social security self-serviceSmart community & rural revitalization service stations
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