Ublox-NEO-M8N GPS Positioning Module

From the shop's description

Features: with SMA antenna interface, can be connected to a variety of active antennas comes with EEPROM, can save configuration information comes with a rechargeable backup battery, you can power down to maintain ephemeris data Micro USB interface, only need a USB cable to connect to the computer, you can use the host computer software, self-supplied serial port function, no need to purchase other serial port module compatible with 5V/3.3V voltage, adapt to various types of single-chip support Raspberry Pi, plug in USB use, no need to drive exclusive with GPS modification configuration method, illustrated support firmware upgrade self-contained signal amplifier Functions of the pins VCC: Power supply (3.3-5V) GND: connect Mass TXD: module serial port transmission pin (TTL level, cannot be directly connected to RS232 level), can be connected to the microcontroller’s RXD RXD: serial port of the pin receiving port (TTL level, can not be directly connected to RS232 level), can be connected to the TXD of single chip microcomputer PPS: pulse output second Specifications Supply voltage: 3.3V – 5V DC Operating current: 45mA Frequency of time pulse signal : 0.25 Hz…10 MHz (configurable) Navigation update rate: up to 5Hz (1HZ by default) Cold start time: 26 seconds (fastest) hot start start: 1 second Operating temperature range: -40 to +85°C Dimensions: 39 x 25 x 17 mm Ublox-NEO-M8N Datasheet