Many-to-Many Two-Way Communication Solution

This solution consists of one host unit and multiple slave units, allowing real-time full-duplex communication between the host and each slave unit. Other slave units can hear the content of the conversation. The system is powered by lithium batteries, ensuring low power consumption, and features built-in PCB board antennas, facilitating compact product design. The system is equipped with anti-WIFI interference capabilities, making it suitable for scenarios such as restaurants, small group outdoor activities, and discussion meetings.

  • Automatic Channel Allocation

    Pre-set Number of Channels: 14, Multiple Devices Can Be Used Simultaneously

  • Strong anti-interference capability

    Digital processing for audio transmission

  • Resistance to WiFi Interference

    Wireless transmission with resistance to WiFi interference

  • Transmission Distance

    Wireless transmission distance of over 50 meters in open areas

  • Portable

    Built-in PCB board antenna, ideal for portable products

  • Additional Features

    Built-in headphone amplifier and microphone preamplifier

Quick guide download

Specification ItemsAudio Transmission ModuleAudio Reception Module

Power Supply Voltage

5V

5V

Current Consumption

<25mA        

<25mA        

Operating Temperature

-10 ℃ ～ +70 ℃

-10 ℃ ～ +70 ℃

Frequency Range

2400～2483.5MHz

2400～2483.5MHz

Number of Channels

14

14

Modulation Type

GFSK

GFSK

Transmission Power

10dBM


Input Impedance

1OK Ohm


Input Level

2.8Vp-p(Max)


Receiver Sensitivity


-85dBm(Min.)

Output Impedance


32 Ohm

Output Level


2.8Vp-p(Max)

Audio Latency

<10ms        

<10ms      

Frequency Response

10～8KHz,±3dB

10～8KHz,±3dB

Dynamic Range @1kHz

81dB

81dB

Total Harmonic Distortion

0.1%

0.1%


Quick guide download

  • Pairing

    Pairing is required only once between the transmitter and receiver during the initial setup. Afterward, simply power on to use

  • Interfaces

    Built-in headphone amplifier and digital volume control Built-in microphone preamplifier circuit

  • Mute

    The system features mute control functionality

  • Noise Reduction

    This system features noise reduction to eliminate wind noise

  • Host

    There is only one host in this system. The host's headphones and microphone can continuously listen and speak

  • Sub-device

    There are N sub-devices in this system. Sub-devices can always listen, but speaking requires permission

  • Channel Switching

    Seamless channel switching is available when wireless transmission is affected by interference

Quick guide download