· UHF 4x20个频率可变换
· 4声道高频率优点是避免干扰
· 采用音频压缩扩展技术，噪音小，动态范围大，减少啸叫
· 中央处理器(CPU)处理电路
| 频率范围 / Frequency range: | 640-690MHz |
| 频道总数 / Channels: | 4x20(Frequency conversion变频) |
| 音频频率响应 / Response: | 50Hz ~ 18KHz |
| 射频产生方式 / RF production: | high-performance integrated IC |
| 射频带宽 / RF bandwidth: | 50MHz |
| 信噪比 / Signal to noise ratio: | > 105dB (A weighted peak) |
| 动态范围 / Dynamic range: | > 100dB |
| 失真 / Distortion: | < 1.0% @ 1KHz |
| 使用温度 / Use temperature: | -18 ~ 50 degrees (Celsius) |
| 有效使用距离/Working Range: | 30 meters |
| 接收方式/Receive Mode: | high performance integrated IC |
| 灵敏度/Sensitivity: | > - 105dB |
| 显示方式/Display: | LCD |
| 音频输出方式/Output: | Mixed / two balanced/ unbalanced output |
| 通道/Channel: | 1/4 |
| 射频频率精度/RF accuracy: | ± 5ppm<10KHz |
| 标称频偏/Nominal frequency offset: | 25KHz |
| 谐波/Harmonics: | <- 45dB / c |
| 输出功率/Output power: | > 10 dB / m |
| 显示方式/Display: | LCD |
| 消耗电流/Current consumption: | <150mA @ 3V |
| 供电方式/Power supply: | AA 1.5V x2 |
| 电池寿命 / Battery life: | About 6 hours |
