The GV series can receive various types of GNSS signals. The GV-8620 is capable of receiving GPS L1 C/A, QZSS L1 C/A and SBAS L1 C/A signals. To improve upon its predecessor, the GV-8720 is capable of receiving GPS L1 C/A, GLONASS L10F, QZSS L1 C/A and SBAS L1 C/A signals.