技术参数：

频段： ISM / UHF频段。 GM980C使用还是传统的频点和GM980DJ利用宽带传输信号

传输距离： 2800米（最大7公里）在维也纳区域，这是根据它的使用条件

供电：监听头采用高能量锂离子电池可使用16小时的总和。 该接收器使用可用于24小时总1.5V巫两第七电池

声音拿起灵敏度（所有方向）比12B更好。 区分率不到200平方米的高。 音频输入电路阻抗低

售后服务： 1年保修

套餐包括：

1个语音监听

电源适配器

天线

USB电缆

耳机

使用手册

Specifications:

Frequency band: ISM / UHF band. GM980C use fixe frequency point and GM980DJ use broadband to transmit signal

Transmission distance: 2800m ( max 7km ) in wien area, which is according to its using conditions

Power supply: the monitor head uses a high energy Lithium battery with can be used for 16 hours in total. The receiver uses two 7th batteries of 1.5V witch can be used for 24 hours in total

Sensitivity ( all directions ) of sound picking up is better than 12B. Differentiate rate is high within 200 square meters. Impedance of audio input circuitry is low

After Sales Service: 1 Year Warranty

Package Include:

1 x Voice Monitor

Power Adapter

Antenna

USB Cable

Earphone

User Manual