◆ 使用PLL锁相环和高精度石英晶体，加上CPU控制，频率稳定度极高。
◆ 红外对频（同步）功能，提高了产品的使用方便性。
◆ 先进的数码导频功能，彻底杜绝干扰和窜频现象，多台叠机使用，无干扰
和窜频现象
◆ 具自动选讯功能，快速准确地找出无干扰的可用信道，大大简化工程安装
中的调试工作
◆ 可调发射功率和可调静噪门限，二者配合可有效方便地控制使用距离。
◆ 自动静音及冲击消除电路，避免开关机的冲击和噪音;双升压电路设计，
电池电压降低时不会影响发射的性能
◆ 简洁的操作界面，极少的可调部件，可完全避免误操作造成故障。
◆ 采用无声开关，有效防止开关机的机械响声。
◆ 极高的拾音灵敏度，出色的音质，使您的讲话轻松自如。
1. With PLL phase-locked loop and high precision quartz crystal, coupled with CPU control, the frequency
stability is extremely high.
2. Infrared Counter-frequency (synchronization) function improves the convenience of the product.
3. Advanced digital pilot function, completely eliminate interference and channeling phenomenon,
multi-stack machine use, no interference and channeling phenomenon.
4. It has the function of automatic signal selection, can quickly and accurately find the available channel
without interference, and greatly simplifies the debugging work in engineering installation.
5. Adjustable transmitting power and adjustable noise threshold can effectively and conveniently control
the use distance.
6. Automatic mute and impulse elimination circuit to avoid the impulse and noise of the switch; double
boost circuit design, when the battery voltage is reduced, will not affect the launch performance.
7. Simple operation interface and few adjustable parts can completely avoid malfunction caused by misoperation.
8. The silent switch is used to effectively prevent the mechanical noise of the switch.
9. High pickup sensitivity and excellent sound quality make your speech easy and comfortable.
接收机指标 Receiver Indicators：
频率范围(Frequency range)：640-690MHz
可调信道数(Adjustable Channel Number)：200信道
失真度(Distortion)：≤0.5%
信噪比(SNR)：≥110dB
电源规格(Power Specification)：DC12V
消耗功率(Consumption power)：≤14W
振荡方式(Oscillation mode)：锁相环PLL频率合成
频率稳定率(Frequency stability)：±0.005%
接收方式(Receiving mode)：超外差二次变频
(superheterodyne quadruple frequency conversion)
接收灵敏度(Receiving Sensitivity)：-95~-71dBm
音频频响(Audio Frequency Response)：40~18000Hz
发射器指标 Launcher Indicators：
频率范围(Frequency range)：640-690MHz
可调信道数(Adjustable Channel Number)：200信道
振荡方式(Oscillation mode)：锁相环PLL频率合成
频率稳定率(Frequency stability)：±0.005%
调制方式(Modulation)：FM调频
射频功率(RF power)：10~30mw
音频频响(Audio Frequency Response)：40~18000Hz
失真度(Distortion)：≤0.5%
电池规格(Battery Specification)：2x1.5V
续用时间(Extension time)：8~20小时
