900M Built-in Ceramic Antenna, Anti-Interference, Circularly Polarized, Small Antenna for Handheld and Flatbed Printing Terminals
Figure 1: Front and back images of the 900M Built-in Ceramic Antenna (40)
The 900M Built-in Ceramic Antenna (40) is suitable for UHF band RFID handheld terminals, tablets, printing terminals, and other applications. This product features a dual-feed point circular polarization design, characterized by small size, high gain, low VSWR, and strong anti-interference capabilities.
Table 1: Product parameter definitions for the 900M Built-in Ceramic Antenna (40)
| Antenna Model | RHA-9CA40 |
| Frequency Range (MHz) | 902MHz～928MHz |
| Polarization Mode | Circular polarization |
| Gain (dBi) | ＞2dBi |
| Axial Ratio (dB) | ＜3dB |
| Impedance (Ω) | 50Ω |
| Voltage Standing Wave Ratio (VSWR) | ≤1.3:1 |
| Connector | SMA (customizable to IPX, MMCX, MCX, etc.) |
| Antenna Dimensions (mm) | 50*50*8mm (ceramic body 40*40*5mm) |
| Net Weight | 40g |
| Radiating Material | Silver |
| Color | Black |
| Operating Temperature (°C) | -40°C ～＋85°C |
Figure2: Voltage Standing Wave Ratio (VSWR) vs. Frequency Curve (Overall View)
Figure 3: Dimensions of the 900M Built-in Ceramic Antenna (40), including length, width, positioning holes, and thickness
