• NEO-6 Product Summary
• NEO-6M UART User Manual [EN]

#include <SoftwareSerial.h>
 
// Choose two Arduino pins to use for software serial
int RXPin = 2;
int TXPin = 3;
 
//Default baud of NEO-6M is 9600
int GPSBaud = 9600;
 
// Create a software serial port called "gpsSerial"
SoftwareSerial gpsSerial(RXPin, TXPin);
 
void setup()
{
  // Start the Arduino hardware serial port at 9600 baud
  Serial.begin(9600);
 
  // Start the software serial port at the GPS's default baud
  gpsSerial.begin(GPSBaud);
}
 
void loop()
{
  // Displays information when new sentence is available.
  while (gpsSerial.available() > 0)
    Serial.write(gpsSerial.read());
}

• https://github.com/mikalhart/TinyGPSPlus
• TinyGPS++
• tinygpsplusplys_arduiniana_documentation.pdf