Compatible With APM V2.8.0 with compass description:
Compatible With APM V2.8.0 Flight Controller
Needle: staight
Power supply: Compatible With LP2985-3.3
Max voltage: 16V
Add a Compatible With 47uF tantalum capacitor
Port: Compatible With MUX (Compatible With UART0, Compatible With UART2, Compatible With mnnI2 and Compatible With OSD are optional, Compatible With OSD is the defaulted output)
Compatible With Jumper cap choose:
compass: plug the jumper cap in the Compatible With MAG pin header.
External compass: pull the jumper cap from the Compatible With MAG pin header.

Compatible With M8N GPS Built in Compass
A generation Compatible With GPS M8N,with low power consumption and , the ultimate accuracy is 0.6 meters, actually almost 0.9 meters, greater than the previous generation 7N 1.4-1.6 meters accuracy,support Compatible With GPS/For QZSS L1 C/A, Compatible With GLONASS L10F, Compatible With BeiDou B1 protocol and mode or more.
Compatible With GPS Chip parameters:
Receiver type 72-channel Compatible With u blox M8 engine
Compatible With GPS/For QZSS L1 C/A, Compatible With GLONASS L10F, Compatible With BeiDou B1
Compatible With SBAS L1 C/A: Compatible With WAAS, Compatible With EGNOS, Compatible With MSAS
Compatible With Galileo-ready E1B/C (Compatible With M8N)
Nav. update rate1 Single GNSS: to 18 Concurrent GNSS: to 10 Position accuracy2 2.0 m CEP
Sensitivity2 Tracking & Nav: –167 dBm
Cold starts: –148 dBm
Hot starts: –156 dBm
Assistance AssistNow Compatible With GNSS Online
AssistNow Compatible With GNSS Offline (to 35 days)3
AssistNow Autonomous (to 6 days)
Compatible With OMA Compatible With SUPL & Compatible With 3GPP compliant
Compatible With Oscillator Compatible With TCXO (Compatible With M8N/Q),
Crystal (Compatible With M8M)
Compatible With RTC crystal
Noise figure On-chip LNA (Compatible With M8M). E