Deskside Schumann Frequency Generator with Adjustable Input, LCD Display, Keypad Entry, and 2 External Boards for Desktop Electronics Use Multicolor

Features: Desktop Generator Set: Includes the main unit and 2 external antenna boards for frequency tuning tasks on desktop setups, experiment tables, and electronics workspaces. Direct Keypad Frequency Input: The LCD display, numeric keypad, and set button help you enter values on the device and check the current screen reading during setup. Visible 7.83Hz Screen Readout: The default sine display shows 7.83 Hz on screen, making the startup view easy to confirm before tuning or desktop adjustments. Sine And Square Output: Sine and square output give you flexible frequency options for electronics experiments and routine desktop tuning tasks. Compact Footprint For Worktables: At about 6.22 x 4.29 in, the main unit fits more easily on a desktop or experiment table while keeping the screen and antenna boards in view. Specifications: Size: Approx.15.8x10.9cm/6.22x4.29inch Antenna waveform: Sine waves Default frequency: 7.83Hz Frequency adjustment ranges: 0.1Hz ~ 99999Hz Sine signals voltage amplitude: 3V Square waves signals voltage amplitude: 5V Power: 5V input, under 1W Package Includes: 1 piece Frequency Generator Main Unit 2 pieces External Antenna Boards 1 piece USB Power Cable 1 piece 3.5mm Audio Cable 1 piece Data Cable note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you donot mind before you order. 2.Due to the differences between different monitors, the picture may not reflect the actual color of the item.