The RFID reader emits radio waves of specific frequencies through RFID antennas. The waves “give energy” to the tags so that they can communicate by emitting a unique ID. They do not need batteries and can be used for many years. The reader processes the data so that we can integrate them into our application and give them meaning. The typical reading range is 0-12 meters. Gen2 UHF RFID systems consist of: readers, antennas, printers, and RFID tags or tags. In this article I will define with a brief explanation each of the main elements when implementing an RFID project.
RFID ANTENNAS
RFID Antennas are responsible for emitting and receiving waves that allow us to detect RFID chips. When an RFID chip crosses the antenna field, it is activated and emits a signal. The antennas create different wave fields and cover different distances.
Antenna Type: Circular polarization antennas work best in environments where the orientation of the tag varies. Linear polarization antennas are used when the orientation of the tags is known and controlled and is always the same. NF (Near Field) antennas are used to read RFID tags within a few centimeters.
Overcast angle and gain: Using antennas with gains of between 8.5-10 dbi or more, will allow us to emit more power and obtain a higher reading ratio. The angle of opening depends on the area to be covered, for example: 70 °, 100 °, etc. The more overture the antennas have, the less detection distance.
Number of Antennas: Standard high-performance readers have 2 ports, 4 ports or 8 ports. The number of antennas is usually chosen according to the reading space we want to detect or the density of tags to read. Typically used is 2 or 4 port fixed readers. Some brands have multiplexers that allow us to connect up to 32 antennas in the same reader.
The ProID family of card readers is designed to offer card technologies options to customers such as 125KHz EM, 13.56MHz MIFARE, DESFire, FeliCa or Legic.
With a robust all-weather protection and a beautiful modern design, the ProID family is the best choice for indoor or outdoor applications.
Features
UR10R-1E and UR10R-1F are ultra high frequency and read-only encryption card issuer which only read ZK encrypted UHF tags. Combined with UHF non-contact radio frequency circuits and various coding and decoding algorithms,this card issuer can read the labels and cards which support EPCglobal UHF Class1
Gen 2 and ISO 18000-6C standard.Its USB interface adopts the advanced plug and play interface without driver core technology to connect computer and other equipment. The card issuer control chip is provided with a watchdog and a voltage detection circuit,and has the advantage of stable reading performance.
Notes
1. After the DEMO settings are completed, you need to wait for 1s to use the text or document to obtain data.
2. Reading card successfully once ,the prop tone alarms once and flashing green light.
3. Opening any text or taking a typewriting window as the current window,the cards number will be displayed in the window.
4. In order to prevent duplication of read card, you should leave the card area about 1s to swipe again.
5. When the power is on, the buzzer rings about 400ms,while swiping cards,the buzzer rings about 200ms.
6. The card issuer outputs the EPC byte .(TID/USER (initial address) implemented later in the upgrade)
UHF1-Tag1 adopts ultra high frequency encrypted chip, especially designed for ZK UHF reader.This tag is ultra thin card, easy to carry,and has a long reading distance ,a good choice to be applied in personnel management .
Notes
1. In order to get the best recognition performance, please keep the tag direction the same as antenna’s polarization direction when using(Remarks: You should hold the card horizontally when swiping it).
2. The working temperature must be within the allowable range, otherwise it may cause the product to work abnormally.
3. The storage temperature and humidity must be within the allowable range, otherwise it will reduce the service life of the product.
4. The distance from the product 30mm should not have an electric field or a strong current through, which may cause interference to the product.
5. The distance from the product 30mm should not have metal objects,which may cause the product twork abnormally.
6. Do not apply external force to bend or deform the product, which may cause the product’s internal lines to break and fail to work.
7. The product should be kept away from the magnetic field for storage to prevent data loss.
8. Products should not be placed in a strong acid or strong alkali environment, which will cause serious damage to the product
UHF1-Tag2 adopts ultra high frequency encrypted chip, especially designed for ZK UHF reader.This tag is ultra thin electronic tag, easy to stick to the surface of objects,and has a long reading distance ,a good choice to be applied in personnel management .
Notes
1.In order to get the best recognition performance, please keep the tag direction the same as antenna’s polarization direction when using(Remarks: You should hold the card horizontally when swiping it).
2. The working temperature must be within the allowable range, otherwise it may cause the product to work abnormally.
3. The storage temperature and humidity must be within the allowable range, otherwise it will reduce the service life of the product.
4. The distance from the product 30mm should not have an electric field or a strong current through, which may cause interference to the product.
5. The distance from the product 30mm should not have metal objects,which may cause the product to work abnormally.
6. The product should be kept away from the magnetic field for storage to prevent data loss.
The UHF RFID reader is an RFID long-range proximity card reader which can simultaneously read multiple passive UHF tags at ranges up to 12m. The reader is waterproof and is suitable for use in a wide range of RFID applications, such as transport management, vehicle management, car parking, production process control, and access control.