The Waveshare GPS External Antenna, Ceramic w/ Amplifier is a sophisticated GPS active antenna designed for enhanced signal reception. It features a ceramic element with a center frequency of 1575±1MHz and a right-hand circular polarization, ensuring optimal performance in various applications such as GPS navigation and car DVD systems. The integrated amplifier provides a gain of 28±2dB, minimizing noise and enhancing signal clarity. Constructed with durable materials, it is equipped with a 3-meter RG174 cable and offers versatile mounting options. The device is environmentally robust, with a waterproof rating of IP65~IP67 and compliance with ROHS standards.