VA-Q3313R Narrow Beam Antenna(8dBi)
Brand: RFID Reader.io
Model: VA-Q3313R
This Narrow Beam Antenna delivers high gain and precise read range control, designed to minimize misreads in demanding RFID environments. With circular polarization and a slim, durable body, it integrates easily into access control points, production lines, and storage cabinets. As a reliable RFID Antenna, it provides excellent resistance to environmental interference, ensuring accurate tag capture even in busy or metallic surroundings. Manufactured by RFID Reader.io, it is optimized for applications where stability and controlled coverage are essential.
Key Features
8 dBi high gain for extended and accurate tag reading
Narrow beam design reduces misreads and enhances focus
Circular polarization for consistent RFID tag capture in various orientations
Slim ABS radome with FR4 reflector for durability and lightweight performance
Easy installation with side outlet SMA connector and customizable cable options
Ideal for access doors, conveyor lines, industrial cabinets, and other RFID tracking points
Application Scenarios
RFID access control systems
Industrial production and conveyor lines
Smart cabinets and asset management
Logistics checkpoints requiring focused coverage
Areas with high tag density or metal interference
Technical Specifications
| Category | Details |
| Frequency Range | 902–928 MHz |
| Gain | 8 dBi |
| Beam Width | Horizontal: 45 ± 1° / Vertical: 75 ± 1° |
| VSWR | ≤ 1.5 |
| Impedance | 50 Ω |
| Polarization | Circular |
| Axial Ratio | ≤ 3 dB |
| Max Power | 50 W |
| Connector | RG316 cable (10 cm) with SMA female (custom options available) |
| Connector Position | Side outlet |
| Dimensions | 336 × 130 × 20 mm |
| Weight | 0.59 kg |
| Reflector Material | FR4 copper-clad laminate |
| Radome Material | ABS |
| Radome Color | White |
| Operating Temperature | –15 °C to +60 °C |
| Storage Temperature | –15 °C to +60 °C |
FAQ
Q1: What makes this antenna a Narrow Beam Antenna?
A1: Its beam width is limited to 45° horizontally and 75° vertically, giving it a focused field that minimizes stray reads in crowded RFID environments.
Q2: Is it compatible with standard RFID readers?
A2: Yes, it integrates seamlessly with most UHF RFID readers through the SMA interface.
Q3: Can the cable length or connector type be customized?
A3: Yes, the antenna supports customization of the RG316 cable length and connector type to fit different installations.
Q4: Where is this antenna best used?
A4: It is ideal for access doors, assembly or sorting lines, smart cabinets, and other fixed RFID installations where precise tag detection is needed.
Q5: How does it perform in environments with interference?
A5: Thanks to its circular polarization and focused beam, it offers stable performance and reduces misreads even in areas with metal surfaces or electrical noise.
















