TM系列GNSS接收機模塊數(shù)據(jù)指南

　　The TM Series GNSS receiver module is a self-contained high-performance Global Satellite Navigation System receiver. Based on the MediaTek chipset， it can simultaneously acquire and track multiple satellite constellations. These include the United States GPS system， Europe’s GALILEO， Russia’s GLONASS and Japan’s QZSS. The module has an internal Low Noise Amplifier （LNA） that provides exceptional sensitivity， even in dense foliage and urban canyons. It’s very low power consumption helps maximize runtimes in battery powered applications. Hybrid ephemeris prediction can be used to achieve cold start times of less than 15 seconds. The module outputs standard NMEA data through a UART interface. Housed in a tiny reflow-compatible SMD package， the receiver requires no programming or additional RF components （except an antenna） to form a complete GNSS solution. This makes the TM Series easy to integrate， even by engineers without previous RF or GNSS experience.