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9 dBi RFID Antenna
9 dBi RFID Antenna

GAO Tek 430 to 437 MHz 9 dBi RFID Antenna

ID: 304022tek



With a compact design and robust construction, this circular RFID antenna is resistant to typical environmental influences; the antenna is perfectly suited for applications in agriculture and industrial automation. It is also specially designed to be used in double sided arrangements with a single reader for applications that require large reading volumes. The antenna has a very wide beam width to maximize zone coverage.

Technical Specifications

Model number 304022
Frequency Range 430 to 437 MHz
Gain 9 dBi (min)
VSWR 1.4:1 (max) 1.2:1 (typ.)
Azimuth 3 dB Beam width 68° (typ.)
Elevation 3 dB Beam width 70° (typ.)
Polarization LHCP
Side lobes Level at ±90° and Front to Back -10.5 dB (max)
Axial Ratio at boresight 432 to 434 MHz at 2 dB (max)
430 to 432 MHz at 4 dB (max)
434 to 437 MHz at 4 dB (max)
Input Impedance 50 (ohm)
Input Power 6 W (max)
Lightning Protection DC Grounded
Dimensions (L x W x D) 371 x 371 x 40 mm
Weight 2.0 kg (max)
Connector N – type
Radome Plastic
Base Plate Aluminum with chemical conversion coating
Outline drawing See below
Mounting kit MT-120018
Test Standard Duration Temperature Notes
Temperature IEC 68-2-1/2 72 h -55 °C to 71 °C
Temp. Cycling IEC 68-2-14 1 h -45 °C to 70 °C 3 Cycles
Thermal shock non-oper. -30 °C to 70 °C Ramp 30 °C/min
Humidity ETSI EN300-2-4 T4.1E 144 h 95%
Water tightness IEC 529 IP67
Dust resistance
Solar radiation ASTM G53 1000 h
Ozone resistance ETSI 300
Flammability UL 4 Class HB
Quasi random vibration 20 g rms for 4 hours
Vehicle vibration 1g rms, 10-500 Hz, in 3 axis 6 hours total, 2 h in each axis. Accelerated wear – an additional 50 h in worst case axis
Mechanical shock 10g, 11 msec,
Operating half sine pulse


Azimuth Radiation Pattern Midband Freq. 0.437 GHz

Elevation Radiation Pattern Midband Freq. 0.437 GHz


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