Product Code: ZK-F21
Product Name ZK-F21


Fingerprint time attendance and access control terminal

          F21 is the first time attendance and access control terminal applying the most advanced SilkID technology. It not only possesses outstandingly high identification rate towards dry, wet and rough finger, but also provides the utmost security by its live finger detecting well as photo taking function which enables attendance photo and Photo ID(optional).

       In addition, with the brand new ZMM220 hardware platform, its clock rate can attain 1.2GHZ. Such speedy hardware platform and fingerprint algorithm greatly enhance the speed of fingerprint verification.


     • 2.4-inch TFT color screen
     • SilkID fngerprint reader with living object detecting function
     • Multiple Verifcation Modes: Multi-verifcation methods (card is optional) providing user various choices
     • Full Access Control Features: Anti-passback, access control interface for 3rd party electric lock, door sensor, exit button, alarm and doorbell
     • Camera Function: record photo, photo ID (optional)
     • Built-in auxiliary input with enhanced flexibility to link with wired detector or emergency switch


2.4-inch TFT LCD Color Screen
Fingerprint Capacity
Card Capacity
5000(Optional) ID or mifare c
Transaction Capacity
SilkID Sensor
Algorithm VersionZKFinger VX10.0
RS232/485, TCP/IP, USB-host
Access Control Interface
3rd Party Electric Lock, Door Sensor, Exit Button, Alarm, Doorbell
Wiegand Signal
Input, Output,SRB
Aux. Input
1ea for linkage function
DST,Automatic Status Switch, Anti-passback,Scheduled-Bell,Printer(Optional)
Power Supply
12V DC,3A
Operating Temperature
0 °C- 45 °C
Operating Humidity
SDK and software
Standalone SDK,ZKAccess3.5


Type Name Size DateAdded
Data Sheet F21 419.79KB 27/06/2018
Data Sheet F21-Thai 388.56KB 27/06/2018
User Manual F21 Time Attendance & Access Control User Manual V1.0_201508 7.81MB 27/06/2018
Installation Guide 2.4 Inch TFT Terminal Installation Guide V1.0-20150804 2.84MB 27/06/2018
Installation Guide 2.4 Inch TFT Terminal Quick Start Guide V1.0-20150804 1.64MB 27/06/2018
Tags: F21