Specification:
Supported operating systems: Windows 10/8/7/Vista/XP/CE
Support Google Earth
C / A code, 1.023MHz stream
Receive Band: L1 [1575.42MHz] Tracking Channels: 56
Support DGPS [WAAS, EGNOS and MSAS]
Positioning performance: 2D plane: 5m [average]
2D plane: 3.5m [average], has DGPS auxiliary.
Drift: Timing Accuracy: 1us
Reference coordinate system: WGS-84
Maximum altitude: 18,000 m
Maximum speed: 500m / s
Acceleration: Tracking sensitivity:-162dBm
Acquisition sensitivity:-160dBm
Cold Start Time: 29s [average]
Warm start time: 28s [average]
Hot start time: 1s [average]
Recapture Time: 0.1s [average]
Operating temperature: -30 to +80

Support system:
Linux, Windows ME/98/CE, server 2003, server 2008, vista, XP, Windows 7, Windows 8,Windows 10, all windows series system.

GGA: Time, Location, Location Type
GLL: Longitude, Latitude, UTC Time
GSA: GPS receiver operation mode, positioning satellite, DOP value GSV: visible GPS satellite information, elevation, azimuth, signal-to-noise ratio (SNR) RMC: time, date, position, speed
VTG: Ground Velocity Information

Packing includes:
2 X VK172 gmouse USB gps/glonass usb gps receiver

NOTE:
The default output is the product GPS protocol data.
You can test the software or serial commands to modify switch PS / GLONASS protocol data