Lantian Mini High Sensitive 2.4ghz Frequency Spectrograph OLED Display Open Source For RC Drone

Lantian Mini High Sensitive 2.4G Frequency Spectrograph OLED Displayer Open Source Plug and Play Description Item Name : OLED Size : 27.5*28*11.2mm Weight : 9g Power Supply : 5-16.8V(up to 4S) Features Compatible with the latest nRF24L01pScannerOled open source software Small,plug and play,easy to operate Can scan the 2.4G frequency automatically Suitable for RC players to test the wireless signal around before playing, to avoid the demage of losing control Package Included 1 x OLED Frequency Spectrograph