Features
u-blox NEO-6M onboard, with high-gain active antenna
IPX interface, for connecting different active antennas
Chargeable backup battery, keeps the ephemeris data when power down, supports hot starts
Onboard EEPROM for storing config information
Specifications
TTL level, compatible with 3.3V/5V systems
Default baud rate 9600, configurable via u-center
Applications
GPS Navigator
Quadcopter Positioning
How to Use
In the case of working with a MCU:
VCC: connects to 3.3V/5V
GND: connects to GND
TXD: connects to MCU.RX
RXD: connects to MCU.TX
PPS: connects to MCU.IO, timepulse output (optional)