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Product Details:
CS771 Circular Polarized RFID Far Field Antenna. Circular Polarized RFID Far Field Antenna is a duplexed antenna (i.e., same antenna for transmit and receive). The antenna connects to one coaxial cable that links it to an antenna port of a RFID reader via a TNC reverse polarity coaxial connector.
Specifications Details


  • Single antenna element
  • Circular polarization
  • 902 – 928 MHz frequency band operation
  • Excellent matching for best RFID reading performance
  • Ruggedized operation
  • TNC reverse polarity connector


  • Physical Characteristics (LxWxH)
    30 x 30 x 4 cm
  • Weight
    5 lbs
  • Mounting
    2 x 2 mounting stud, horizontal separation 5.875 inches, vertical separation 2.75 inches, 1/4 x 0.625 inch studs with 20 threads/inch threading
  • Operating Temp
    -20°C to 55°C (-4°F to 131°F)
  • Storage Temp
    -40°C to 85°C (-40°F to 185°F)
  • Humidity
    5% to 95% relative, non-condensing
  • IP Rating
  • Frequency Range
    800 MHz or 900 MHz band
  • Polarization
    RHCP or LHCP
  • Axial Ratio
    Less than 2dB
  • Peak Linear Gain
  • Front-to-back Ratio
  • Gain Flatness
    0.5 dB
  • Beamwidth (3 dB)
    54 degrees
  • Impedance
    50 ohms
  • Input Power
    10 Watts
  • ESD
    10 kV (no ESD sensitive components)
  • Connector
    TNC Reverse Polarity
  • Order Code
    LHCP: CS771-024- (L/R) HCP-N
    (N=1: 865-868 MHz for Europe & 865-867 MHz for India, N=2: 902-928 MHz, 024=standard 2.4m cable and please discuss with CSL sales department for special requirements)
  • Restrictions on Use
    Approvals, features and parameters may vary depending on country legislation and may change without notice.
Accessories Details