What is the difference between a ½-wave and a ¼-wave antenna?
|
Antenna Type |
½-wave |
¼-wave |
|---|
|
Alternate name |
Dipole |
Monopole |
|
# of elements |
2 |
1 |
|
Requires ground plane? |
No |
Yes |
|
Gain (dBi) |
2.1 |
1.9 |
|
|
¼ wavelength |
|
Frequency |
Inches |
Centimeters |
|---|
|
915 MHz |
3.1 |
8 |
|
2.4 GHz |
1.17 |
3 |
In practice a ¼-wave antenna will exhibit similar performance to a ½-wave antenna though the radation pattern will not be as uniform.
Last updated: Aug 23, 2017