?100% Satisfaction Guarantee?: We are committed to providing customers with the best product and services. If you have any question, please feel free to contact us and if the good is with any quality issue, we're happy to offer you a new one!. ?IP67 WATERPROOF?: This antenna is completely waterproof (IP67) . Ideal for use outdoors, in vending machines, meter housings, equipment sheds, or other locations requiring a low-profile vandal resistant external antenna. ?MULTIPLE Applications?: IoT, industrial controls, Smart power meter, Smart water meter, GNSS system.Ideal for car roof top or top box GPS signal boosting. ?PREMIUM QUALITY ANTENNA?: Our Omni-Directional Magnet/Adhesive Mount Antenna is made from durable material - reinforced plastic, copper wire. It will be a professional, durable accessory!. ?GPS CENTER FREQUENCY?: 1575.42±1MHz.Ideal for GPS signal boosting of the GPS device and other CPE devices!.