最畅销会议UHF无线麦克风系统

议价
加入意向型号:ZH-912A(一套= 1接收机+ 2无线发射器)
产品描述:
采用UHF超高频段,lessinterference比传统的VHF频段,并在传输更加可靠。 Equippedwith多通道频率合成DPLL数字相lockedloop的技术,可以提供在50MHzfrequency带超过200个频道在250 kHz的信道空间。 这是方便用在Sametime和轻松避开各种干扰设备多套。 即使emitterand接收机调谐频率错了,你只需要按下按钮,然后thetransmitter将自动锁定接收机的频率,并根据先进的自动跳频技术adjustconsistently。 高低功耗切换功能,适合会议场所(高功率发射),教室和KTV包房(低功率发射)。 为了节省电池电量。 搭载发射andreceiver锁功能,防止不正确的操作。 此外,你以提高容量ofresisting干扰和增加接收距离需要通过接收器灵敏度调节功能canadjust灵敏度。 Aexcellent LCD显示屏使工作状态更加清晰。
技术参数:
系统指标 | |||
频率范围 | 740-790MHz | ||
调制范围 | 宽带FM | ||
调节范围 | 50MHz的 | ||
通道号 | 200 | ||
信道间隔 | 为250kHz | ||
频率稳定度 | 在±0.005% | ||
动态范围 | 百分贝 | ||
最大。 频率偏差 | ±45KHZ | ||
音频响应 | 80Hz的-18KHz的(±3分贝) | ||
PSACR | )105分贝 | ||
综合失真 | ≦0.5% | ||
工作温度 | -10℃-+40℃ | ||
接收器指数 | |||
接收器模式 | 中学超外差 | ||
IF-FRE | 第一IF:为110MHz,第二中频:10.7MHz中频 | ||
无线接口 | BNC /50Ω | ||
灵敏度 | 12dBμV(80分贝S / N) | ||
感光度调节范围 | 12-32平dBμV | ||
骨刺抑制 | ≧75分贝 | ||
最大。 输出电平 | + 10dBV | ||
发射机指标 | |||
天线方案 | 1 / 4Wavelength鞭状天线forPalin悬挂式发射器。 手持麦克风内置螺旋天线 | ||
输出功率 | 高功率:30mW的; 低功耗:3MW | ||
杂散抑制 | -60dB | ||
电源 | 两节AA电池 | ||
服务时间 | 30mW的:超过10小时; 为3mW:超过15小时。 | ||
Model: ZH-912A (one set = 1 receiver + 2 wireless transmitters)
Product description:
Using UHF ultra-high frequency band, lessinterference than traditional VHF band, and more reliable on transmission. Equippedwith Multi-channel frequency synthesis technology of DPLL digital phase-lockedloop, can provide more than 200 channels at 250 KHZ channel space within 50MHzfrequency band. It's convenient for Multiple sets of machines used at the sametime and easy to avoid all kinds of interference. Even if the frequency of emitterand receiver tuning wrong, you just need to press the button, then thetransmitter will automatically lock the frequency of receiver and adjustconsistently according to the advanced automatic frequency hopping technology. High-lowpower switching function, suitable for meeting places (high power emission) ,classrooms and KTV rooms (low power emission) . To save battery power. Equipped with transmitter andreceiver lock function to prevent from incorrect operation. Moreover, you canadjust the sensitivity as needed through the receiver sensitivity adjustment function to improve the capacity ofresisting disturbance and increase the receiving distance. Aexcellent LCD display make the working states more clear.
Technical Parameters:
System index | |||
Frequency range | 740-790MHz | ||
Modulation range | Broadband FM | ||
Adjustable range | 50MHz | ||
Channel number | 200 | ||
Channel spacing | 250KHz | ||
Frequency stability | within ±0.005% | ||
Dynamic range | 100dB | ||
Max. frequency deviation | ±45KHz | ||
Audio response | 80Hz-18KHz (±3dB) | ||
PSACR | ) 105dB | ||
integrated distortion | ≦0.5% | ||
operating temperature | -10℃-+40℃ | ||
receiver index | |||
receiver mode | Secondary super heterodyne | ||
IF-FRE | First IF: 110MHz, second IF: 10.7MHz | ||
radio interface | BNC/ 50Ω | ||
Sensitivity | 12dBμV (80dB S/ N) | ||
Sensitivity adjustment range | 12-32 dBμV | ||
spur suppression | ≧75dB | ||
Max. output level | +10dBV | ||
transmitter index | |||
Antenna program | 1/4Wavelength whip antennae forPalin hanging type transmitter. Handheld microphone built-in spiral antenna | ||
Output power | High power: 30mW; low power: 3Mw | ||
Spurious suppression | -60dB | ||
Power supply | Two AA Batteries | ||
Service time | 30mW: more than 10 hours; 3mW: more than 15 hours. | ||


