PCTEL~Stud Mnt GPS White Permanent mount GPS value antenna provides 28 dB gain and great out-of-band rejection performance. It features a precision tuned custom ceramic patch element for maximum signal reception and 15KV ESD circuit protection. This enables the 3977D to minimize loss-of-lock, even when conditions are less than ideal. Available in an all-plastic, non-corrosive low profile package for vehicle mounting in a white or dark gray housing. Weather proof, all-plastic, non-corrosive, low profi le enclosure ¾ inch thru-hole or bracket mount Voltage range: 2.7 to 5.5 V High gain: 28 dB Low noise fi gure: 1.5 dB High out-of-band signal rejection