Portable Simple Mini 2.4G Spectrum Analyzer Frequency Spectrograph DIY Electronics nrf24l01p Scanner Abnormal Signals WiFi Signal Strength Checking

Features:
Small in size and easy to carry, also easy for you to use, you can take it with you to anywhere you want to use it.
This simple spectrum analyzer fully compatible with the latest open source software for nrf24l01p scanner oled.
It can automatic scanning for the 2.4G band, give you a better using experience.
Wide applications: suitable for UAV enthusiasts to check the abnormal signals around before taking off to avert unnecessary risks or losses, also can be used to check the strength of WiFi signal.
You can also use it to detect the working frequency of the mobilephone's 4G signal.