英文關鍵字
card
rfid
chip
unlock
door
line
symbol
security
trinket
development
radio
frequency
identification
linear
antenna
business
computer
digital
electronic
identify
innovation
integrated
invention
protect
semiconductor
system
wireless
device
micro
signal
copper
sensor
open
identity
icon
motion
graphic
animation
pictogram
hd
animated
item
sign
black