HA31A Datasheet, PDF (4/24 Pages) Taoglas antenna solutions – 915MHz 2dBi Embedded Helical Monopole Antenna

2. Specification
Application Bands
Mounting Direction
Frequency (MHz)
Return Loss (dB)
Peak Gain (dBi)
Average Gain (dBi)
Efficiency (%)
Polarization
Impedance
Helical Coil Dimension (mm)
Weight (g)
Operation Temperature
Humidity
ELECTRICAL
ISM 915MHz
HAD.A.31
HAD.B.31
902
915
928
902
915
928
<-10
0.41 0.05 -0.74 1.89 2.09 2.04
-3.14 -3.30 -4.05 -1.74 -1.61 -1.65
48.51 46.73 39.28 66.95 68.94 68.37
Linear
50 ohms
MECHANICAL
L: 10.7mm, Ø10.2mm
0.7
ENVIRONMENTAL
-40°C to 85°C
Non-condensing 65°C 95% RH
DSP-15-8- SPE-16-8-017/C/WY Page 4 of 24