The All new GPS shield from SmartElex made to work great with your either UNO or Leonardo Arduinos and is designed to log data to an SD card. Or you can leave the SD card out and use the GPS for a geocaching project. This shield comes with most popular Quectel L86 Module If your project is going to be inside the enclosure, you’ll love this shield as it has external antenna support. Simply connect an External active GPS Antenna to antenna connector on the shield and the module will automatically switch over to use the antenna. You can then place the antenna wherever you wish. Note: In this shield, GPS Serial communication pins can be switched between Arduino hardware serial pins D1, D0 and for software serial library D9, D8 by DPDT Switch. Pin Configurations: Jumper Pin Name Arduino Pins J1 SCK D13 J2 MISO D12 J3 MOSI D11 J4 F_ON D10 J5 SW_TX D9 J6 SW_RX D8 J7 GPS_RST D7 J8 CS D4 J9 HW_TX D1 J10 HW_RX D0     Features: The multi-GNSS engine for GPS, GLONASS, Galileo, and QZSS. Embedded patch antenna. Automatic antenna switching function. High sensitivity: -167dBm @Tracking, -149dBm @Acquisition 99 acquisition channels, 33 tracking channels Balloon mode, for high altitude up to 80km Support DGPS, SBAS (WAAS/EGNOS/MSAS/GAGAN) Great anti-jamming performance due to multi-tone active interference canceller Support SDK command developed by Quectel Package Includes: 1 x SmartElex GPS Data Logger Shield for Arduino 1 x User Manual SKU: PGI-00139462 Category: Development Board