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HA.31 915MHz 2dBi Helical Monopole Antenna

HA.31.A

915MHz Helical Monopole Antenna
Quarter wave-length monopole
Mechanically Sturdy in a compact size
2dBi Peak Gain, 68% efficiency
Dims HA.31.A: L=11mm Ø10mm
Dims HAD.A.31 EVB: 81*160*12mm
Dims HAD.B.31 EVB: 159*80*12mm

Image HA.31.A

HA.31.A

HA.31 915MHz 2dBi Helical Monopole Antenna

Overview

The HA.31.A is an ISM 915MHz quarter wave-length monopole antenna. This helical coil antenna is perfect for your smart meter, smart security system, remote asset monitoring, and other wireless communication devices. The helical coil antenna has a 2dBi Peak gain and a 68% efficiency at 915MHz on a 126.8 x 80.1mm ground plane with matching components (orthogonally mounted to ground plane, see HAD.B.31 performance). Made of copper alloy, the helical coil is mechanically sturdy, with a wide-bandwidth. It can be easily mounted on the surface of your device main board by soldering. The antenna must be connected to a ground-plane to radiate efficiently.

Technical Specification
Name Value
RoHS Yes
Antenna Type Embedded Antennas, ISM/LoRA
Mechanical Style Coil
Gain (Max) 1.89
Impedance 50
Minimum Operating Temperature -40°C
Maximum Operating Temperature 85°C
Mounting Style SMD/SMT
Termination Style SMD/SMT
Connector Body Style Straight
Polarity Linear
Frequency Range 915MHz
Connector Polarity None
Cable Length (mm) n/a
Packaging PE Bag, Carton
VSWR 0
Length (mm) 10.2
Width (mm) 10.2
Height (mm) 10.7
Weight (g) 0.7

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