WIFI V2.0 use 8bit CPU, only support UDP WIFI V2.0 have external antenna (5DB) HOW to use WIFI Module for PIXHAWK? 1. How to connect? use 6P line connects to for pixhawk flight controller. Due to the different firmware, some firmware, two ports can be used, some firmware can only use one of the ports. So find one of the available ports for the connection. IF you use PX4 firmware,only TELEM1 can be used ,can not use TELEM2. For Ardupilot firmware, It is recommended to use the TELEM2 port. Or find one of the available ports for the connection. For PX4 firmware , should use TELEM1 port. 2. How to use? Please note: When using Wifi Radio Telemetry connection, it must use 3DR Power Module or 5V ESC to supply power to the flight control. USB cannot be inserted because USB priority is higher than Radio Telemetry. If USB cable is plugged in, it cannot be used for radio telemetry transmission. / HOW to use WIFI Module for APM? use 5pin Line connect to for APM flight controller. Note:Due to different factory batches, any difference in module markings will not affect usage. Type:For PIX/For APM Colour:As Shown Material:EVA Package Contents: 1 * Wifi V2.0 Module Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.