design an omni antenna

Dear all,
I want to design an omni-directional antenna with frequency of 1920-2170MHz. Could you kindly tell me where this information or material is available? Thank you!

BR
Mr. Gong

Hi,

you may try to search for dipole antenna design (though I think your bandwidth is quite large for a dipole).

or you may try to searh for base station omni-antennas design.

BR
Adel_48