Most obviously, a cell tower has several types of antennas that handle different frequencies and cellular technologies. These are the thin, vertical bars that are mounted parallel to the tower.

These rogue cell sites ... new cell phone tower. [Eric] might also tackle triangulation of cell sites with an RF-blocking dome with a slit in it revolving around the GSM900 antenna.

An AT&T antenna and a generator were installed on the long-awaited cellphone tower behind Westmont Hilltop Junior-Senior High ...

LENOX — A national wireless company that aims to build a cell tower on ... a 170-foot monopole tower on the resort property at 165 Kemble St. Cellular carriers such as Verizon Wireless, AT&T and ...

New Cingular Wireless PCS LLC has proposed a 40-foot cellular antenna in Waiehu ... so more outreach could be done for residents. The cell tower would include a monopole designed to look like ...