Classified by frequency band: low frequency RFID antenna, high frequency RFID antenna, ultra high frequency RFID antenna
Classified by antenna form: microstrip antenna, dipole antenna, pico antenna
Classified by direction: directional antenna, omnidirectional antenna
Classified by usage: Handset antenna, split antenna
Classified by polarization: linearly polarized antenna, circularly polarized antenna
Classified by beamwidth: narrow beam antenna, wide beam antenna
Classified by antenna field distribution: near-field antenna, far-field antenna