FieldengRF, Radio & Wireless
Antenna Gain dBi ↔ dBd
Convert antenna gain between isotropic (dBi) and dipole (dBd) references.
RF, Radio & WirelessNetworking & Communications
Convert antenna gain between isotropic (dBi) and dipole (dBd) references.
App id: RF-17. Reference version 1.0.
How to fill it
Leave one field blank. The tool solves the rest.
On the tool screen, Calc is the working sheet. Presets stores values you reuse. Reference is the formula, assumptions, and provenance below.
Formula
dBi = dBd + 2.15Inputs
| Name | Unit |
|---|---|
| Gain | dBi |
| Gain | dBd |
Outputs
| Name | Unit |
|---|---|
| Gain (hero result) | dBi |
| Gain | dBd |
Diagnose
This tool does not attach diagnose observations.
Assumptions
- dBi and dBd are not interchangeable without this offset.