Coming from 13 years of RF experience RadioLink have been able to build this excellent GPS. The SE100 is suitable for use with all the open source flight controllers such as PIX, APM, NAZE32 and so on, making it a versatile all-round GPS. This module ships with a powerful Ubox UBX-M8030(M8) GPS receiver with a Honeywell HMC5983 digital compass. With high-speed satellite discovery, 20 satellites can be positioned within 6 seconds giving a position accuracy of 500mm.