Caen RFID Quattro R4321P, Техническое руководство

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EXTERNAL INTERFACE DESCRIPTION - Quattro Technical Information Manual 16
To power a generic device at 5V DC (U1 symbol in Fig. 3.5: GPIO Output Signal ), for example a light signal
tower, a photocell or an alert siren, it is possible to use the connection shown in the drawing below. When
you close the contact by the software command, the device is powered.
Fig. 3.5: GPIO Output Signal
Antennas
Fig. 3.6: Antennas
Name Description
ANT 0 50Ω RP-TNC jack connector Antenna 0
ANT 1 50Ω RP-TNC jack connector Antenna 1
ANT 2 50Ω RP-TNC jack connector Antenna 2
ANT 3 50Ω RP-TNC jack connector Antenna 3
Tab. 3.4: Antennas
In order to achieve the best reading performances, the VSWR of the antenna shall be lower than 1.5:1.