After the PPS pin of the module is connected to the red LED light, it is always on: it is working normally, but it has not been positioned Blinking: the positioning is successful rate, the default rate of the module is 9600The module comes with a ceramic antenna, and there is an IPEX interface to connect other active antennasThe module adds a radio frequency amplifier circuit, which is conducive to speeding up the search for satellitesThe module is compatible with 3.3V/5V level, which is convenient for connecting single-chip microcomputer systemsColor: As ShownMaterial: pc+metal1. VoltageInput voltage: 3.3-5.5Vpower consumptionNormal mode: 50 mAPower saving mode: 30mA2. TemperatureWorking temperature -40Cto+85CStorage temperature -55Cto+100C3. Pin description and electrical connectionmodule pinVCC: power pin input 3.3-5.5VGND: power groundRXD: Module serial port receiving pin--connect to the serial port TXD of the microcontroller to sendTXD: Module serial port sending pin--connect to single chip microcomputer serial port RXD receivingPPS: clock pulse output pinPackage Contents:1 x GPS moduleOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.