This I2C breakout features a PA1010D GPS receiver module with a built-in antenna, which will allow you to extract date and time, latitude, longitude, speed and altitude data from satellites. It has been supplemented with a supercapacitor, which acts as a short-term battery backup for GPS data, allowing the unit to lock back into signals much faster after powering down. There is also an LED indicator light, which flashes whenever the unit has a satellite fix You can connect one of these to a weather station or other measuring device to give your data truly accurate time, date and location stamps You can connect it directly to your Pi’s GPIO or via breadboard with the included headers, but it’s also compatible with the Breakout Garden solderless breakout, which makes it easy to use several different breakouts at once Like solar panels, rocket ships, and people, these GPS units work best when they have an unobstructed view of the sky. If it takes a long time to get a satellite fix, try taking it outside or pointing the antenna upwards or towards a window Features: PA1010D GPS / GLONASS / GALILEO receiver unit with integrated antenna Supports up to 210 PRN channels with 99 search channels and 33 simultaneous tracking channels Extremely high sensitivity: -165dBm Support high precision 1-PPS timing (±20ns jitter) Supercapacitor, which stores the positions and status of satellites in case of power failure. Also allows the GPS unit to run its internal clock, with approximately 1 hour of battery capacity Green LED indicator light, connected to the PPS output of the GPS unit. It is possible to switch off the LED (or change the behaviour of the PPS output) with the software 2x M2,5 mounting holes I2C interface, with default address 0x10 Compatible with 3V to 5V Reverse polarity protection Compatible with all Raspberry Pi models Compatible with Arduino