Antenna – Spring

SPECIFICATION:

  • Frequency (MHz): 865 – 868 MHz
  • Gain: ~ 1.5 dBi (depends on PCB ground plane)
  • Impedance (Ω): 50
  • VSWR: <1.5
  • Polarization: Vertical
  • Power Handling (W): 10
  • HPBW: H: 3600; V: 300
  • Connector: Direct Solder
  • Operating Temperature (°C): -20 to 60
  • Humidity: 5 – 95%
  • Length (mm): 11
  • Diameter (mm): 5.5
  • Weight (gm): 0.8
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Description

Antenna – Spring

A Spring antenna, also known as a helical antenna, is composed of one or more conductive wires twisted into a helical shape. A helical antenna constructed from a single helical wire has found extensive application in telecommunications for communication purposes. This type of antenna operates within a frequency range of 865MHz to 868MHz and offers a gain of 1.5dBi, which may vary based on the PCB ground plane. A primary advantage of utilizing a helical antenna is its affordability and compact dimensions.