One-to-One Two-Way Communication Solution

This solution comprises two two-way communication devices, which need to be paired during the initial setup. 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 various remote audio interaction scenarios.

  • 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

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%


  • 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

  • Intercom Mode

    Real-time full-duplex one-on-one bidirectional communication

  • Mute

    The system features mute control functionality

  • Noise Reduction

    This system features noise reduction to eliminate wind noise

  • Channel Switching

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