Looking for a reliable GPS or GLONASS receiver solution?This u-Blox chipset receiver is exactly what you need. U-Blox offers the latest in next generation GNSS technology with superior position accuracy in urban canyons. They also offer free U-Center GNSS evaluation software that can be downloaded from the u-Blox website. The U-Center software loads your device driver and includes extensive configuration and control features with real time display of your GNSS receiver.Technical SpecificationsElectrical Characteristics GPS Chipset: U-blox 8 Engine Frequency: GPS/QZSS L1 C/A L1 Frequency: GLONASS L1 FDMA SBAS: WAAS, EGNOS, MSAS Channels: 56 Sensitivity(Tracking): -162dBm @ GPS Sensitivity(Tracking): -158dBm@GLONASSAccuracy Position Horizontal: Autonomous 2.5m/2m SBAS Velocity: 0.1m/s TIMEPULSE: 1 pulse per second, synchronized at rising edge, pulse length 100ms Accuracy of time pulse signal: RMS 30 ns@GPS 50ns@Glonass Accuracy of time pulse signal: 99% 60 ns@GPS 100ns@Glonass Frequency of time pulse signal: 0.25 Hz 10 MHz (configurable)Dynamic Conditions Acceleration Limit: Less than 4g Altitude Limit: 50,000 m Velocity Limit: 500 m/s Jerk Limit: 20 m/ second³ Heading accuracy: 0.5 degreesLow Noise Amp Amplifier Gain: 27 dB Typical Filtering: -25dB (+100 MHz) Output VSWR: 2.0 Max. Voltage: DC 3 ~ 5.0V Current: 15mA max @ 5VDCMechanical Weight: 60 gram Size: 45x38x15mm Cable: RG174 Length: 2m Connector: SMA Mounting: Magnet base Housing: Black