Globaltop pa6e GPS module offers the best of both worlds in terms of antenna support! It comes standardly equipped with pre-tuned ceramic patch antenna for easy integration, but in addition, it has an additional i/o interface for external antenna with short circuit protection. Also, pa6e has the ability to automatically switch between internal patch antenna and external gps antenna upon detection. The unique combination of a small foot print gps module with integrated antenna made pa6 family one of the most important corner stone in globaltop technologyíªs product line up and its popularity soaring among the gps designer community. Pa6 family is based on the latest mediatek gps chipset, mt3329, featuring unparalleled performance in sensitivity and functionality, and comes with assortment of firmware customization features offered directly by globaltop: including "gtop binary protocol", "one sentence customization", "power periodic mode" and "agps, dgps support" New features in fgpmmopa6e: External antenna i/o interface External antenna short circuit protection Automatic external / internal antenna switching upon detection. Specification Mediatek mt3329 single chip solution with integrated antenna L1 frequency, c/a code, 210 prn channels Small form factor: 16 x 16 x 6 mm High sensitivity: up to -165 dbm tracking, tcxo design Multi-path compensation, e-gsm-900 band rejection Dgps, agps support Low power consumption: 37 ma tracking (typical) 10hz update rate Nmea, pmtk protocol support 1 x uart (ttl) port Fcc911, ROHS compliance.