Note: Due to variations in production batches, the product's physical appearance may differ; however, its actual functionality remains unchanged. The two versions are shipped at random; please confirm that you do not mind this prior to shipment.

​Product Features

Wide Frequency Adjustment Range

Supports a broad frequency range from 0.1Hz to 99,999Hz, allowing precise adjustment to meet various application requirements.


Dual-Channel Output Design

Dual-channel output supports connection to external antenna boards, enabling serial (cascade) expansion of multiple devices.


One-Click Frequency Setting

The default frequency is preset to 7.83Hz. Desired frequencies can be quickly set using the keypad with a single confirmation, ensuring simple and efficient operation.


User-Friendly Operation

Features an intuitive keypad control with a simple interface, making it easy for beginners to operate without any learning pressure.


Expandable System

The host unit supports connection to up to 10 antenna motherboards, making it suitable for a wide range of usage scenarios.



Technical Parameters (Host / Motherboard)

Antenna Waveform: Sine Wave

Output Waveforms: Sine Wave / Square Wave

Power Supply Interface: Android (USB) Interface

Supply Voltage: DC 5V

Rated Power Consumption: < 1W

Default Frequency: 7.83Hz

Frequency Adjustment Range: 0.1Hz – 99,999Hz

Sinusoidal Signal Voltage Amplitude: 3V

Square Wave Signal Voltage Amplitude: 5V

Host Dimensions (with casing): 15.8 × 10.9 × 2 cm

External Antenna Board Size: 10 × 10 cm



Product Description

The dual-channel output interface allows connection to external antenna boards. These boards can be combined or connected in series (cascade),
forming an expandable system integrated with a host unit capable of supporting up to 10 antenna motherboards.



Usage Instructions

Power the device using a mobile phone charger and an Android USB data cable.

Upon startup, the device defaults to 7.83Hz.

To set a new frequency, enter the desired numeric value using the keypad and press the OK button.

Example: To set 888Hz, press [8] [8] [8], then press OK.



External Antenna Usage

Insert one end of the AUX audio cable into any headphone jack on the host unit.

Insert the other end into the headphone jack on the external antenna board, ensuring it is fully connected.

The headphone jacks support serial connection, allowing multiple antenna boards or headphones to be connected in series via AUX cables.


Package Contents

1 × Schumann Wave Signal Generator Host

1 × Power Cord

1 × Expansion Antenna Board

1 × AUX Audio Cable

1 × Earphones


Notes:

1. Retrieve the included USB cable, connect one end to the circuit board, and plug the USB end into a power bank, USB wall adapter, or other USB power source to power the device.

2. Regarding frequency accuracy, the device achieves a precision of 99%, with a potential margin of error of less than 1%. To generate audible sound, you must connect the audio output jack to an amplifier or use headphones; ensure that the audio plug is inserted fully into the jack.