October 21, 2026
Feature:
◆Working frequency 902~928Mhz
◆RFID UHF Spiral Circularly polarized Antenna
◆4dBi RHCP circular polarization
◆small size,high sensitivity receive
Specification:
Frequency(MHz) | 902MHz～928MHz or 865-868Mhz |
Polarization | Circular polarization |
Gain(dBi) | ＞4dBi |
Axial ratio(dB) | ＜3dB |
H side HPBW | 120 C |
E Side HPBW | 120 C |
Impedance (Ω) | 50Ω |
(VSWR) | ≤1.3:1 |
interface | MMCX Male or customized |
Place of interface | Back side |
Size (mm) | 75mm×75mm×13.5mm |
weight | 27g |
Material | F4BM |
Color | Green |
Installation method | Screwed around or glued |
Working temperature (°C) | -40°C ～＋85°C |
（1）Gain versus frequency curve
（2）Axis ratio versus frequency curve
（3）H-dimensional two-dimensional pattern (horizontal lobe pattern)
（4）E-dimensional two-dimensional pattern (vertical lobe pattern)
（5）Return loss S11 with frequency curve
（6）Voltage standing wave ratio VSWR with frequency curve
