TOPODRONE UAV PPK Upgrade Kit Specifications TOPODRONE UAV PPK Upgrade Kit is a small GNSS receiver with the ability to connect an external GNSS antenna and integrate with various payloads. TOPODRONE PPK UAV KIT Specifications Supported GNSS systems and frequencies GPS: L1C/A, L2C; GLONASS: L1OF, L2OF; GALILEO: E1B/C, E5b; BEIDOU: B1I, B2I Raw measurement recording frequency, Hz 10 Number of GNSS receiver channels, pcs. 184 Supported memory card formats microSD, microSDHC, microSDXC Maximum supported memory capacity, GB 16 Supported file system type FAT32 Minimum number of satellites to initialization, pcs. 8 LED indicators descriprion LED Description Green LED Indicates the status of the Power Pack Blue LED PDOP>10 not lit Flashing slowly 3