1575.42MHz GPS Antenna GPS Tracker External Antenna. IP67 Waterproof Design: Fully waterproof with IP67 rating, suitable for harsh outdoor environments. Professional Manufacturer: Established in 1993 with nearly 30 years of experience in wireless communication. High Performance VSWR: Excellent signal quality with VSWR <=1.5 at the center frequency. Flexible Customization: Supports OEM/ODM services with flexible customization options for appearance and function. 100% Quality Inspection: Every product undergoes 100% visual and functional inspection before shipment. ISO9001 Certified: Manufactured under ISO9001:2015 management system certification for quality assurance. Fast Sample Delivery: Samples are sent via express within 3-5 days after fee confirmation.