ALR-A0501 Antenna

The Alien Technology’s ALR-A0501 antenna is small footprint (5” square) 6dBi gain, circularly polarized panel antenna that provides reception and transmission of signals either in the in the 902-928 MHz frequency band or the 865-868 MHz frequency band. The design methodology achieves maximum efficiency and performance across the entire frequency band and tag orientations.

Both VSWR and axial ratios are both excellent and allow the user to achieve the maximum performance for an antenna of this size. The antenna is housed in a heavy duty radome enclosure to protect from dust and moisture ingress.

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  • Small Footprint
  • Dust and spray resistant radome (IP67)
  • SMA female connector
  • RoHS EU 2002/95/EC compliant


Parameter ALR-A0501-F ALR-A0501-E
   Frequency Range 902 – 928 MHz 865 – 868 MHz
   Gain 6dBic
   Maximum VSWR < 1.3:1
   3 dB Beamwidth – Azimuth 105° x 105°
   Front to Back Ratio 5.6 dB
   Polarization Circular Right
   Maximum Input Power 10 Watts  (40dBm)
   Input Impedance 50 ohms
   Axial Ratio <1.5dB
   Weight 0.66 lbs (0.30 Kg)
   Mechanical Size 5.04” x 5.04” x 0.79” (128 x 128 x 20mm)
   Antenna Connection SMA Female (no cable) *
   Radome ABS
   Mount  Style Thread Stud
   Operating Temperature -13 to 158°F (-25°C to +70°C)
   Lightning Protection DC Grounded
   Environmental Rating IP 67


  • Tag Commissioning
  • Distribution centers
  • Airports and hospitals
  • Transit terminals
  • Warehouses