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
|
|
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
