gps base station antenna cell phone with aluminum conduit. installed on blue concrete wall building.

iron line mast machine handrail furniture vehicle room lighting blue wall electricity stairs wood glass wing antenna base broadcasting business cell cellular communication connect connection coverage data digital equipment frequency global gps high industrial industry information infrastructure internet metal mobile modern network phone pole radiation radio receive satellite signal site station steel technology telecom telecommunication telephone tower transceiver transmission transmit transmitter wave wireless aluminum conduit installed concrete building gnss rtk cors precision controller conduit building