2.4G wireless audio anti-interference transmission

2.4G wireless audio anti-interference transmissionThis solution is specially designed for environments subject to severe WIFI signal interference. One-way audio transmission with one-to-multiple recei

  • Model: 2.4G wireless audio anti-interference transmission

2.4G wireless audio anti-interference transmission


2.4G wireless audio anti-interference transmission




This solution is specially designed for environments subject to severe WIFI signal interference. One-way audio transmission with one-to-multiple receiving, two-to-one or multiple one-way audio transmission; one-to-one two-way intercom, many-to-many two-way intercom and other solutions can meet different application scenarios. This technology has been widely used in teaching, tour guide viewing, tourist bus and other scenes.




  • 自动分配信道

    预置信道数14个,多套使用

  • 单向音频传输

    一对多、二对多、二对一

  • 全双工双向对讲

    一对一和多对多

  • 抗干扰强

    音频传输采用数字化处理

  • 抗WIFI

    无线传输具有抗WIFI干扰能力

  • 自动静音

    信道质量不好,误码率高时

  • 信道切换跟随

    发射切换信道,接收自动跟随

  • 附加功能

    带耳机功放和数字音量调节


规格项目音频发射模块音频接收模块

供电电压

3.6~5V

3.6~5V

消耗电流

<40mA

<40mA

工作温度

0 ~ +70 ℃

0 ~ +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

10K 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


2Vp-p(Max)

音频时延

<10ms

<10ms

频率响应

20~8KHz,±3dB

20~8KHz,±3dB

动态范围@1kHz

81dB

81dB

失真度THD

0.1%

0.1%



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    无线双向对讲

    内置耳机功放、麦克风放大,配合抗WIFI干扰的无线传输,适合多种环境下的无线对讲应用

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    二对一无线麦克风

    两支无线麦克风加一接收模块目前大批量应用于旅游大巴场景,具有抗干扰功能且不受车辆中WIFI热点干扰

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    多对多双向对讲

    多对多对讲应用于参观、户外会议等远距离讲解讨论场景

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    一对多于学校

    通过低延时音频传输、高保真清晰还原、抗WIFI干扰,组成无限降低教室间串扰的系统化设计

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    一对多于导游讲解器

    音频数字化处理后具有高强度抗干扰性与保密性;抗WIFI处理后的无线传输确保在WIFI覆盖环境中亦能正常使用;低功耗的设计同样适用于户外便携式产品