Figure 1: Front and back views of the 8dBi Circular Polarization Antenna for New Retail
The 8dBi Circular Polarization Antenna for New Retail (220) is designed specifically for scenarios such as unmanned retail and smart cabinets. This antenna features a small size, thin profile, high gain, wide bandwidth, low standing wave ratio, and low axial ratio. It can be conveniently used in various UHF RFID applications including warehousing, logistics, asset management, unmanned retail, and smart cabinets.
Table 1: Technical Specifications of the 8dBi Circular Polarization Antenna for New Retail (220)
| Product Model | RHA-9W220 |
| Frequency Range (MHz) | 902MHz～928MHz |
| Polarization | Circular |
| Gain (dBi) | ＞8dBi |
| Axial Ratio (dB) | ＜3dB |
| H-plane HPBW | 68 degrees |
| E-plane HPBW | 68 degrees |
| Impedance (Ω) | 50Ω |
| Voltage Standing Wave Ratio (VSWR) | ≤1.3:1 |
| Connector Type | External thread female |
| Connector Position | Side feed |
| Product Dimensions (mm) | 220mm×220mm×24mm |
| Weight | 450g |
| Material | Engineering plastic ABS |
| Color | Off-white |
| Protection Level | IP67 |
| Installation Method | Two mounting holes on each side (self-tapping screw installation) |
| Operating Temperature (°C) | -40°C ～＋85°C |
(1) Gain vs. Frequency Curve
Figure 2: Gain vs. Frequency Curve
(2) Axial Ratio vs. Frequency Curve
Figure 3: Axial Ratio vs. Frequency Curve
(3) H-plane 2D Radiation Pattern (Horizontal Beam Pattern)
Figure 4: H-plane 2D Radiation Pattern
(4) E-plane 2D Radiation Pattern (Vertical Beam Pattern)
Figure 5: E-plane 2D Radiation Pattern
(5) Return Loss S11 vs. Frequency Curve
Figure 6: Return Loss S11 vs. Frequency Curve
(6) Voltage Standing Wave Ratio (VSWR) vs. Frequency Curve
Figure 7: Voltage Standing Wave Ratio (VSWR) vs. Frequency Curve
Figure 8: Length, Width, and Mounting Hole Position Dimensions of the 8dBi Circular Polarization Antenna for New Retail
Figure 9: Thickness Dimensions of the 8dBi Circular Polarization Antenna for New Retail
