Which antenna is used in a GSM mobile unit and a Cell site?

For mobiles the most used type of antennas are Helix and PIFA, and for BTS are p@tch array / flat panel antennas.

Thanks for reply...can you give some link where I can see how they look like?

Thanks again

http://innovexpo.itee.uq.edu.au/2002...751/thesis.pdf
http://emclab.concordia.ca/~trueman/..._Lecture2w.pdf
http://www.emi.dtu.dk/education/bach...rse/31490.html

Thanks for reply....can you please tell me which antenna in this link h**p://www.emi.dtu.dk/education/bachelors_course/31490.html basically is? I mean are they whip, diople or some array antenna?

Thanks again

This one actually is a vertical dipole-array, frequently used for 800/900MHz bands.

Hi Jack// ani

This antenna is used in a GSM mobile unit 3band antenna.

PL