Radiolink Mini RC Racing Drones F110S Price: $28.73 (as of 04/04/2020 09:01 PST- Details)

50 centimeters position accuracy. Supper valley sation-keeping ability. Positioning 20 satellites in 6 seconds ata open ground.
Gps decoder chip:radiolink m8n gps,with u-box ubx-m8030(m8),72-channel,mmic bga715l7 from infineon,is much better than single gnss 7n.
Double filter:sawf(surface acoustic wave filter) form murata. Antenna:2. 5dbi high gain and selectivity ceramic antenna.