KEYPAD. The user should enter a code on the keypad. It is the
most economical model as it does not use identifiers. The same
code can be used by various users.
PROXIMITY. The identifier is a card (similar to a credit card)
or a proximity keyring. The identifier is swiped by the reader at
a distance of several centimetres. The reading is facilitated by
means of radio frequency data transmission.
BLUETOOTH. Access control functions by using mobile phones
with Bluetooth technology. The telephone system itself identifies
the user. The advantage of this system is the reader's operating
distance, which makes it very useful for vehicle and pedestrian
access.
BIOMETRIC FINGERPRINT. Biometric fingerprint access
reader with sensor. Identifies the user by their fingerprint (feature
which is unrepeatable and unique to each person), offering a
greater level of security than any other system using another
type of identifier.
RADIO FREQUENCY. This technology
is mainly used in garage accesses given
the flexibility allowed by the large distance
between the identifier (control) and the receiver.
There are several types of technology, depending on the
interaction between the identifier and the reader.
Keypad
Proximity Reader
Bluetooth
Fingerprint
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