UBLOX M8030 8th generation PX4 Pixhawk 2.6 GPS 2.5 APM electronic compass flight control module
Application: APM2.6 PX4, APM2.5, PIX, plug and play. GPS+ HMC5883L electronic compass GPS BT-708 GPS connector definitions are: Connector 1: GND, grounded. TX, the data output of the module. RX, data input for the module. 2.8V--6V, VCC. Connector 2: Compass SCL clock pin. Compass SDA data pin.