TK102B Mini GPS GSM GPRS realtime tracking device Car Vehicle positioning tracker / tracking device / GSM / GPRS tracking direction finding, personal protection, people places (children, old people), theft protection (cars, boats), vehicles locate vehicle tracking, fleet management /// SOS mode Geo fence and various alarm rules MA040E (Electronics)
Use this tracker for my Quadrokopter am completely satisfied with it. How long the battery can withstand I do not know, but for my purpose it is sufficient (in case of flyaways). China quality but completely IO