DIY Antenna 2.4 GHz, 5.8 GHz: Difference between revisions

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* Suggested Stacking Distance for 2 Yagis:122.4mm Horizontally, 109.9mm Vertically
* Suggested Stacking Distance for 2 Yagis:122.4mm Horizontally, 109.9mm Vertically
* Dimensional tolerance required = 0.37mm
* Dimensional tolerance required = 0.37mm


{| class="wikitable"  
{| class="wikitable"  
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! Spacing [mm]
! Spacing [mm]
! Length [mm]
! Length [mm]
!
!
|-
|-
| Refl
| Refl
| 0
| 0
| 60.18
| 60.18
|
|
|-
|-
| Driven
| Driven
| 24.98
| 24.98
| 58.44
| 58.44
|
|
|-
|-
| D1
| D1
| 34.35
| 34.35
| 51.37
| 51.37
|
|
|-
|-
| D1
| D1
| 56.84
| 56.84
| 50.51
| 50.51
|
|
|-
|-
| D3
| D3
| 83.69
| 83.69
| 49.67
| 49.67
|
|
|}
|}


Revision as of 12:09, 27 May 2026

Introduction

  • Frequency  : 5800 MHz
  • Wavelength  : 52 mm

Use https://www.k7mem.com/Ant_Yagi_VHF_Quick.html to get the dimensions.

2.4 GHz band

5.8 GHz band

Uses orthogonal frequency division multiplexing (OFDM) technology and point-to-multipoint and point-to-point networking, and the rate of single sector is up to 54Mbps.

The bypass ability is poorer, and the transmission bandwidth is smaller than 2.4GHz.

  • 5GHz WiFi signal uses frequency between 5170MHz – 5835MHz
  • High-speed wireless LAN
  • Broadband wireless access system
  • Bluetooth technology equipment
  • Vehicle wireless automatic identification system.

The common analog bands are A, B, E, F and R. See https://oscarliang.com/fpv-channels/ for more information.

Channel Spectrum Width (Channel Bandwidth): 40MHz

  • 42: 5210MHz 5.21GHz
  • 50: 5250MHz 5.25GHz
  • 58: 5290MHz 5.29GHz
  • 152: 5760MHz 5.76GHz
  • 160: 5800MHz 5.8GHz

Channel Spectrum Width: 20MHz

  • 36: 5180MHz 5.18GHz
  • 40: 5200MHz 5.2GHz
  • 44: 5220MHz 5.22GHz
  • 48: 5240MHz 5.24GHz
  • 52: 5260MHz 5.26GHz
  • 56: 5280MHz 5.28GHz
  • 60: 5300MHz 5.3GHz
  • 64: 5320MHz 5.32GHz
  • 149: 5745MHz 5.745GHz
  • 153: 5765MHz 5.765GHz
  • 157: 5785MHz 5.785GHz
  • 161: 5805MHz 5.805GHz
  • 165: 5825MHz 5.825GHz

2.4 Yagi

Small Gain

Design Information

  • 2400 MHz, 5 Elements, 7.842 dBd Estimated Gain
  • 52.0 Degrees Horizontal Beam Width
  • 58.0 Degrees Vertical Beam Width
  • 0.79" Diameter Non-Metalic Boom, Insulated Elements. No Boom Correction applied.
  • Driven Element Diameter = 2.4mm
  • Parasitic Element Diameter = 2.4mm
  • Suggested Stacking Distance for 2 Yagis:122.4mm Horizontally, 109.9mm Vertically
  • Dimensional tolerance required = 0.37mm
Element Spacing [mm] Length [mm]
Refl 0 60.18
Driven 24.98 58.44
D1 34.35 51.37
D1 56.84 50.51
D3 83.69 49.67

Large Gain

5.8 Yagi

Small Gain

Large Gain

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