Reading And Writing Properties; Basic Technical Relationships; Reading And Writing Distances - Kaba 90 04 Technical Manual

General Rules and Information
3.4

Reading and Writing Properties

The typical maximum reading distance of a registration units is detailed in the corresponding chapters.
The following planning guidelines (PGL) will help you to select suitable media/compact reader
combinations:

PGL_Media_LEGIC

PGL_Media_MIFARE_ARIOS

PGL_Migration_RFID_Technology_Kabaexos9300
3.4.1

Basic Technical Relationships

The read and write distance fundamentally depends on the size of the registration unit's antenna, the
size of the medium, and the media technology
LEGIC prime, MIFARE classic and ISO15693:

Cards: The read and write distance tends to be slightly greater than the diameter of the registration
unit's antenna

Key fobs and smart keys: The read and write distance tends to be slightly smaller than the diameter
of the registration unit's antenna
LEGIC advant, MIFARE DESFire

The read and write distance is approx. 3/4 of the size of the figures given above.
Influence of a Metallic Environment and the Cable Length

A metallic environment reduces the reading and writing distance The read and write properties of
registration unit 90 04 are not impaired by metallic objects in its surroundings.

The shorter the coaxial cable, the better the reading and writing distance
See Chapter 3.5.4,page Seite 15
3.4.2

Reading and Writing Distances

Information on writing and reading distances can be found on the Kaba Portal Access Management
portal.kaba.biz in the Mechatronics/Kaba evolo/Kaba Media/Instructions tab.
14
The reading distances in the diagram for the
respective registration units RFID are calculated
average values from:

Metal - non-metal

Cable lengths 1 m to 30 m
(registration unit 90 02: 3 - 30 m)
TM_ RegistrationUnits_201406_en.docx