XM1210 tracks both GPS and GLONASS (or BeiDou) constellations simultaneously to deliver superior positioning accuracy. It's one of the smallest Multi-GNSS modules on the market with an ultra-compact form factor of 9.0 x 9.5 x 2.1mm that fully incorporates a complete set of vital components, including TCXO, RTC Crystal, SMPS, SAW Filter, and an additional LNA.