YKS Newest APM Pixhawk Wireless Wifi Module 3DR Radio Telemetry Replacement 100% brand new and high quality. Automatically search for WIFI signals, no need worry about 433 or 915. Come with 2.4G soft antenna (IPEX joint) and 2DB gain antenna (copper antenna, 10cm). Come with PIX head, you can change it by yourself. Lightweight and compact.