The RFMAX R2LHP-GNSS-15-S-B is a high-performance, low-profile active GNSS puck antenna designed for reliable multi-constellation positioning across GPS, GLONASS, Galileo, and QZSS (1575–1606 MHz). Featuring an integrated 28 dB LNA and pre-filter for enhanced signal integrity, this antenna delivers consistent satellite tracking and improved receiver sensitivity in both urban and remote environments. Its rugged, ground plane independent screw-mount design with IP67/IP69K protection ensures durable, secure installation for fleet, IoT, and industrial applications.