Many-to-many two-way intercom solution

Many-to-many two-way intercom solutionThis solution consists of a master and multiple slaves. The master and each slave can talk in real time, and other slaves can hear the content of the intercom; th

  • Model: Many-to-many two-way intercom solution

Many-to-many two-way intercom solution


Many-to-many two-way intercom solution




This solution consists of a master and multiple slaves. The master and each slave can talk in real time, and other slaves can hear the content of the intercom; this solution is powered by a lithium battery, has low power consumption and built-in PCB The board antenna is convenient for product miniaturization design. This system has the ability to resist WIFI interference and can be used in restaurants, small group outdoor operations, seminars and other scenarios.



  • 自动分配信道

    预置信道数14个,多套同时使用

  • 抗干扰性强

    音频传输采用数字化处理

  • 无线传输抗WIFI干扰

    无线传输具有抗WIFI干扰能力

  • 传输距离

    无线传输距离空旷地带 50米以上

  • 便携

    内置PCB板天线更适合便携式产品

  • 附加功能

    内置耳机功放和麦克风前置放大



规格项目音频发射模块音频接收模块

供电电压

5V

5V

消耗电流

<25mA

<25mA

工作温度

-10 ℃ ~ +70 ℃

-10 ℃ ~ +70 ℃

频率范围

2400~2483.5MHz

2400~2483.5MHz

信道数目

14

14

调制方式

GFSK

GFSK

发射功率

10dBM


输入阻抗

1OK Ohm


输入电平

2.8Vp-p(Max)


接收灵敏度


-85dBm(Min.)

输出阻抗


32 Ohm

输出电平


2.8Vp-p(Max)

音频时延

<10ms

<10ms

频率响应

10~8KHz,±3dB

10~8KHz,±3dB

动态范围@1kHz

81dB

81dB

失真度THD

0.1%

0.1%



  • Bluetooth speaker customization, gift Bluetooth speaker, multi-functional Bluetooth speaker, outdoor Bluetooth audio, waterproof Bluetooth speaker, Bluetooth speaker factory

    配对

    只需发射与接收第一次使用时配对一次,往后开机即可使用

  • Bluetooth speaker customization, gift Bluetooth speaker, multi-functional Bluetooth speaker, outdoor Bluetooth audio, waterproof Bluetooth speaker, Bluetooth speaker factory

    接口

    内置耳机功放和数位音量调节
    内置麦克风前放大电路

  • Bluetooth speaker customization, gift Bluetooth speaker, multi-functional Bluetooth speaker, outdoor Bluetooth audio, waterproof Bluetooth speaker, Bluetooth speaker factory

    静音

    本系统具有静音控制功能

  • Bluetooth speaker customization, gift Bluetooth speaker, multi-functional Bluetooth speaker, outdoor Bluetooth audio, waterproof Bluetooth speaker, Bluetooth speaker factory

    降噪

    本系统具有降噪去风声功能

  • Bluetooth speaker customization, gift Bluetooth speaker, multi-functional Bluetooth speaker, outdoor Bluetooth audio, waterproof Bluetooth speaker, Bluetooth speaker factory

    主机

    本系统主机只有一个,主机的耳机和麦克风能持续听和讲

  • Bluetooth speaker customization, gift Bluetooth speaker, multi-functional Bluetooth speaker, outdoor Bluetooth audio, waterproof Bluetooth speaker, Bluetooth speaker factory

    从机

    本系统从机有N个,从机一直可以收听,但讲话需要申请

  • Bluetooth speaker customization, gift Bluetooth speaker, multi-functional Bluetooth speaker, outdoor Bluetooth audio, waterproof Bluetooth speaker, Bluetooth speaker factory

    切换信道

    无线传输受到干扰时可以无缝切换信道