This is a small GPS earth plate for car navigation/car navigation GPS antennas. Metal plate for stand-alone GPS antennas Compatible with all manufacturers Placing it under the GPS antenna will reflect radio waves and improve reception sensitivity. For those who want to improve reception sensitivity. Material: Stainless steel plate (magnet OK) Size: Approximately 40mm x 40mm x 0.6mm Double-sided tape on the back ⚠️GPS antenna is not included‼️ ⚠️Shipped by regular mail. It takes about 3 to 1 week after shipment. AVIC-ZH99HUD AVIC-ZH99CS AVIC-ZH9990 AVIC-ZH9900 AVIC-ZH99 AVIC-ZH9000 AVIC-ZH77 AVIC-ZH09-MEV AVIC-ZH09CS AVIC-ZH099G AVIC-ZH0999WS AVIC-ZH0999W AVIC-ZH0999S AVIC-ZH0999LS AVIC-ZH0999L AVIC-ZH0999 AVIC-ZH09 AVIC-ZH0777W AVIC-ZH0777 AVIC-ZH07 AVIC-ZH0099WS AVIC-ZH0099WH AVIC-ZH0099W AVIC-ZH0099S AVIC-ZH0099H AVIC-ZH009H VIE-X08S VIE-X077 VIE-X08 VIE-X088 VIE-X05 VIE-X088V VIE-X08V VIE-X066 TUE-T440 VIE-X009 VIE-X008EX VIE-X008 VIE-X007W-S VIE-X007W-B VIE-X007 VIE-X088VS VIE-X007WⅡ-S VIE-X007WⅡ-B VIE-X007Ⅱ X008V X007WV-S X007WV-B EX009V EX008 X900 X800 EX1000 EX900 EX800 700W 700D X9 X8 EX9 EX8 7W 7D TUE-T330 VIE-X08VS EX1 Toyota Nissan Honda Mazda Suzuki Daihatsu Subaru Carrozzeria Alpine Panasonic Pioneer ALPINE Clarion Navigation Navi Car navigation