5.5dBi Circular Polarized RFID Antenna

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This 5.5dBi UHF RFID antenna is designed for reliable long-range RFID identification applications in the 902-928MHz frequency band. Featuring circular polarization, a wide beam pattern, and stable RF performance, it ensures consistent tag reading even when RFID tags are placed in different orientations.

With a compact 140 × 120 × 25mm design and IP65-rated protection, this antenna is suitable for industrial RFID systems, smart warehouse management, logistics tracking, asset identification, and automated production environments.

Technical Specifications：

Electrical Specifications

Parameter	Specification
Frequency Range	902-928MHz
Antenna Gain	5.5dBi
Polarization	Circular Polarized
Beam Width	Horizontal: 65° / Vertical: 55°
VSWR	≤1.4
Front-to-Back Ratio	≥20dB
Impedance	50Ω
Maximum Input Power	50W
Lightning Protection	DC Grounding
Connector Type	SMA Female

Mechanical Specifications

Parameter	Specification
Antenna Dimension	140 × 120 × 25mm
Net Weight	0.3kg
Package Dimension	21.5 × 18.2 × 5.5cm
Gross Weight	0.6kg
Radome Material	ABS
Radome Color	White
Operating Temperature	-20°C to +60°C
Waterproof Rating	IP65

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5.5dBi Circular Polarized RFID Antenna

Technical Specifications：

Electrical Specifications

Mechanical Specifications