U-BLOX NEO-7 MMini GPS Module With Serial TTL RS232MIni GPS Module Board With TTL RS232Decription:Item Name: GPS ModulePositionaI Accuracy: 2.5mCEP (SBAS:2.0mCEP)Update rate: Max 10 Hz(default 1Hz)Capture time: Cold start: 27S(Max),Hot Start:1SCapture tracking sensitivity: -162dBmOscillator: TCXO (+/-0.5PPM)Communication protocol: NMEA(default)/UBX BinarySerial communication baud rate: 9600Operating temperature: -40℃-85℃Operating Voltage: 2.7V-5.0V(VCC pin input)Operating Current: 35mATXD/RXD impedance: 510 ΩCharacteristics of interfaces: TTL level compatible with 3.3V/5V SCM systemReceiving characteristics: 56 channel,GPS L1(1575.42Mhz) C/A code,SBAS:WAAS/EGNOS/MSASFeatures:TTL-level compatible with 3.3V/5V SCM systemThe default is 9600 baud, you can modify the u-centerComes IPX interface, you can connect a variety of active antennaBuilt-in rechargeable backup battery that can power down to save ephemeris data to achieve hot startBuilt-in EEPROM, save the configuration informationInstructions for use: (to access the MCU for example)VCC: pick 3.3V/5VGND: GND connectionTXD: pick MCU.RXRXD: pick MCU.TXPPS: pick MCU.IO clock pulse output (optional connection)Product Demonstration:Operation interface on U-center:Print out the localization information on U-center:Package included:1 x GPS module vladjohnny Store