Table 1.

Performance of GNSS/UWB seamless positioning base device.

Performance	Parameter
The receiving sensitivity of UWB	−118 dBm
The ranging accuracy of UWB	≤10 cm
The ranging distance in line-of-sight	Max 880 m
Satellite system	GPS, BDS, Glonass, Galileo
Frequency	B1/B2/B3/L1/L2/L5/G1/G2
RTK positioning accuracy	2–5 cm
Single point positioning accuracy	≤1.5 m
The sampling rate of GNSS	1–10 Hz
Communication mode	4G