Original Ashtech Spectra precision Promark 220 RTK GNSS GPS System Buyer and Importer
Constellation:GPS, GLONASS, SBAS
Frequency:L1, L2
Channels:45
DGPS:< 25 cm + 1 ppm typical
SBAS:< 50 cm
Camera:3M pixels
E-Compass:YES
G-Sensor:YES
Microphone & Speaker:YES
Software:Survey Pro field software:YES
Microphone & Speaker:YES
Software:Survey Pro field softwareShow More