HA31A Datasheet, PDF (24/24 Pages) Taoglas antenna solutions – 915MHz 2dBi Embedded Helical Monopole Antenna

Ground plane length 160mm
Ground plane length 150mm
Ground plane length 140mm
Ground plane length 130mm
Ground plane length 120mm
Ground plane length 110mm
Ground plane length 100mm
Ground plane length 90mm
Ground plane length 80mm
Ground plane length 70mm
Ground plane length 60mm
Ground plane length 50mm
Peak Gain(dBi)
1.37
1.33
0.94
0.75
0.45
0.15
-0.29
-0.26
-0.80
-0.94
-1.09
-1.77
1.13
1.02
0.58
0.67
0.29
-0.04
-0.40
-0.64
-0.77
-1.27
-0.96
-1.65
-0.19
-0.18
-0.42
-0.12
-0.54
-0.78
-0.97
-1.64
-1.91
-2.80
-2.87
-4.56
0.62
0.62
0.99
0.89
0.67
0.42
-0.15
-0.15
X
X
X
X
0.87
0.79
0.90
0.66
0.37
0.05
-0.66
-0.83
X
X
X
X
0.74
0.59
0.40
-0.02
-0.41
-0.72
-1.60
-1.92
X
X
X
X
DSP-15-8- SPE-16-8-017/C/WY Page 24 of 24