The 6dBi UHF RFID circular polarized antenna is designed for reliable RFID tag identification in retail, asset management, freezer monitoring, and intelligent cabinet systems. Operating in the 902-928MHz frequency range, this antenna provides stable RF performance, wide coverage, and consistent reading capability in various indoor and commercial environments.
With a 6dBi gain and circular polarization design, the antenna improves tag detection performance even when RFID tags are installed at different angles. Its compact ABS housing, IP65 waterproof protection, and durable construction make it suitable for long-term deployment in smart tracking and automated management systems.
The antenna supports UHF RFID readers through an SMA connector and is widely used in applications requiring accurate identification, inventory visibility, and efficient asset control.
Key Features:
6dBi High Gain Performance
Provides extended RFID signal coverage for reliable tag reading.
Circular Polarization Technology
Enhances reading stability by reducing sensitivity to tag orientation.
Wide Beam Coverage
Horizontal 95° and vertical 105° beam width support broader detection areas.
Durable Industrial Housing
ABS radome design with IP65 protection ensures reliable operation in demanding environments.
Stable RF Performance
Low VSWR ≤1.3 and front-to-back ratio ≥20dB improve communication efficiency.
Easy System Integration
Equipped with SMA connector for convenient connection with UHF RFID readers.
Product Applications：
Smart Retail
The RFID antenna can be integrated into smart shelves, retail inventory systems, and automated checkout solutions to improve product visibility and inventory accuracy.
Freezer Management
Suitable for refrigerated storage and freezer environments, supporting reliable tracking of tagged goods and improving cold-chain inventory management.
Asset Management
Used for tracking tools, equipment, and valuable assets in warehouses, factories, offices, and other facilities to reduce manual inventory operations.
Intelligent Cabinet Management
Supports smart cabinet systems for automated item identification, access management, and inventory monitoring.
Technical Specifications：
Electrical Specifications
| Parameter |
Specification |
| Frequency Range |
902-928MHz |
| Gain |
6dBi |
| Polarization |
Circular Polarization |
| Horizontal Beam Width |
95° |
| Vertical Beam Width |
105° |
| VSWR |
≤1.3 |
| 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 |
130 × 130 × 18mm |
| Net Weight |
0.2kg |
| Package Dimension |
15.5 × 15.5 × 3.5cm |
| Gross Weight |
0.25kg |
| Radome Material |
ABS |
| Radome Color |
White |
| Operating Temperature |
-20℃ to +60℃ |
| Waterproof Rating |
IP65 |
Frequently Asked Questions：
What frequency band does this 6dBi RFID antenna support?
This antenna operates at 902-928MHz, making it suitable for UHF RFID applications in North America and other regions using this frequency band.
What are the advantages of circular polarization for RFID antennas?
Circular polarization allows RFID tags to be detected more reliably regardless of their installation direction, improving reading consistency in real-world environments.
Is this antenna suitable for outdoor applications?
Yes. With an IP65-rated ABS housing, the antenna provides protection against dust and water, making it suitable for indoor and semi-outdoor RFID deployments.
Which RFID applications can use this antenna?
It is commonly used for:Smart retail systems,RFID inventory management,Freezer and cold-chain tracking,Asset tracking,Intelligent cabinets,Warehouse identification systems.
Can the antenna be customized for specific projects?
Yes. Custom options such as frequency range, connector type, cable length, and mounting solutions can be provided according to project requirements.
