Our company’s  GPS/GSM,GLANASS/GSM combined antenna which is apply to cars, it uses low profile antenna design, and can receive both GPS, GLONASS satellite positioning signals and the GSM network signal, this product has high-gain,high sensitivity, and working smoothly. It has many good features ,such as burning less power, high sensitivity,stable function , corrosioning resistance, standing up to high and low temperatures, waterproof, supporting the use of multiple GPS/GSM,GLANASS/GSM receivers. It is widely used in vehicle navigation, vehicle tracking, monitoring and other fields.