passive UHF RFID hardware
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4dbi RFID UHF Spiral Circularly polarized Antenna
902 -928Mhz 4dbi RFID UHF Spiral Circularly polarized Antenna
  • Product Origin:

    China
  • Brand:

    SPEEDWORK
  • Item No.:

    JT-T075R
  • Shipping Port:

    Shenzhen
  • Color:

    White
  • Lead Time:

    3 working days
  • Payment:

    100% TT in advance
Inquiry
  • Product Details


902-928MHz The 4dBi four-arm spiral circularly polarized antenna (75) is a universal far-field antenna suitable for UHF band RFID applications. It has the characteristics of small volume, high gain, low standing wave, good symmetry of the direction, and low axial ratio. Can be easily applied to terminal occasions such as UHF band RFID handsets.


Feature:


◆Working frequency 902~928Mhz

◆RFID UHF Spiral Circularly polarized Antenna

◆4dBi RHCP circular polarization

◆small size,high sensitivity receive


Specification:


Frequency(MHz)

902MHz928MHz

Polarization

Circular polarization

Gain(dBi)

4dBi

Axial ratio(dB)

3dB

H side HPBW

120 C

E Side HPBW

120 C

Impedance (Ω)

50Ω

(VSWR)

≤1.3:1

interface

MMCX Male or customized 

Place of interface

Back side

Size (mm)

75mm×75mm×13.5mm

weight

27g

Material

F4BM

Color

Green

Installation method

Screwed around or glued

Working temperature (°C)

-40°C ~+85°C



1Gain versus frequency curve




2Axis ratio versus frequency curve


3H-dimensional two-dimensional pattern (horizontal lobe pattern)


4E-dimensional two-dimensional pattern (vertical lobe pattern)


5Return loss S11 with frequency curve


6Voltage standing wave ratio VSWR with frequency curve






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