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XCAF-12D antenna

Circular polarization method is suitable for underground installation.
Product Details

  XCAF-12D antenna is mainly used in 902~928MHz radio frequency identification system. The center frequency is 915MHz. It can be directly connected to the reader through a coaxial cable. It is small in size and easy to install. It can be well matched with coaxial cable and has a Good directionality.

Installation method
  XCAF-12D antenna is suitable for underground installation. The antenna must be used together with the shielding cover on the back and the antenna cover on the front. The material for the antenna cover must be 5 cm thick plywood.

Circular polarization of antenna
  Two spatially orthogonal linearly polarized waves of equal amplitude can be combined into a circularly polarized wave. The circularly polarized waves can be divided into left-handed and right-handed circularly polarized waves according to the direction of electric field rotation. Right-handed polarized waves are electromagnetic waves that conform to the right-hand rule, and left-handed circularly polarized waves are electromagnetic waves that conform to the left-hand rule. The polarization of the XCAR-12D antenna is circular polarization, so within the reading range of the antenna, the tag can be read even if it rotates at will. However, for most tags that work in polarization, the receiving circle In the case of polarized waves, the power that the tag can receive is thus lost by half. Therefore, when the reader adopts a circularly polarized antenna, the reading distance is shorter than that of a general linearly polarized antenna. XCAF-12D is a low gain antenna whose radome material is PS engineering plastics.

Standing wave ratio curve The standing wave ratio curve of
  XCAF-12D antenna in its working frequency range is relatively flat and the value is small, indicating that the antenna is working well at this time. When the frequency range is exceeded, the standing wave ratio value of the antenna increases sharply. The performance drops sharply.

The directivity of the
  antenna    Antennas have different radiation or receiving capabilities in different directions in space. This is the directivity of the antenna. The maximum direction of antenna radiation is in the normal direction perpendicular to the surface of the antenna, and the radiated energy is basically concentrated in this direction. On the back of the antenna, the radiated energy is very small. Once the shape and size of the antenna are determined, the antenna pattern is also determined, that is, the distance to read the tag depends entirely on the power emitted by the reader.


◆Product parameters

Physical parameters
Size: 294 x 294 x 64mm
Weight: 1kg
Radome material: PC engineering plastics

Environmental parameters
Working temperature: -40℃~+85℃
Relative humidity: ≤95%

Performance parameters
Working frequency band: 902~928 MHz Center frequency: 915MHz Polarization mode: Circular polarization Standing wave ratio : ≤1.3 Antenna gain: 7.15dBi Characteristic impedance: 50 Ω Half power beam width: E-plane 70°, H-plane 70° Connection method: N type 




*The above parameters may be changed. Please refer to the actual parameters. We apologize for any inconvenience.

We could not find any corresponding parameters, please add them to the properties table
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