February 13, 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
