Specifications Supply Voltage USB 5V or 4 2V BatteryFeatures 1 Compact and portable design that fits easily into pockets or bags making it convenient for on the go usage 2 Dual power supply options via a USB connection or rechargeable 4 2V battery for versatile usability 3 Equipped with an advanced OLED screen offering clear graphical visualization of frequency activity across the 2 4G band 4 Capable of analyzing Wi Fi signal strength helping users identify optimal connection points with ease 5 Innovative functionality to monitor frequency characteristics of mobile signals within the 4G range Package Included 1 x Frequency Spectrograph LED Display
