Features Fast And Stable Transmission: The ceramic antenna is RG1.13 wire, which is soft and firm, and the high-density shielding layer brings fast and stable transmission of the oxygen-free core. Ceramic Material: The GPS positioning antenna is made of selected ceramic materials, which is durable and can be used without installation, which is very convenient. Accurate Signal: The antenna is designed with two-stage amplification and filtering circuit, low noise figure, faster sending and receiving speed, more accurate and stable signal. Fast Positioning: The antenna is high gain 28DBI, supports GPS positioning system. Even in complex urban environments, the system can quickly search satellites and locate accurately. Wide Range of Applications: GPS module antennas can be used in car 4S shops, car dealers, bus station announcers, test drives, rental companies, personal DVD navigation, car maintenance and other equipment. Specification: Item Type: GPS Ceramic Antenna Model: GPS-TC-003 Material: Ceramic Purpose: GPS signal reception and transmission GPS Frequency: L1 1575.042MHZ±1.023MHZ BD Frequency: B1 1561.098MHZ±2.046MHZ Antenna Gain: 28DBi Impedance: 50Ω Working Temperature: -40℃~+85℃ Interface Model: IPEX head Line Type: RG1.13 line Standing Wave Ratio: ≤1.5 Polarization Method: Vertical polarization Application Areas: Car 4S shops, car dealers, bus stop announcers, driving samples, rental companies and individual DVD navigation, car maintenance and other equipment Package List: 2 x Antenna Note: Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering. Package List 2 x Antenna