Products
H-77B 200 Channel UHF True Diversity Wireless Microphone
Product ID:
H-77B
Short Description:
2-channel diversity receiver
200 programmed UHF channels
Frequency: UHF 740MHz~789.75MHz
Transmission range: 100m
◆ 2 Channel diversity receiver wireless microphone system
◆ 200 programmed, compatible UHF frequencies within the bandwidth in 250KHz frequency steps
◆ Scan and ACT (automatic channel targeting) function for easy location of free frequencies at the process of a button, easy transmission to transmitter by infrared diode per channel
◆ Channel selection, setting and control is performed with a user-friendly, front-mounted jog wheel and multi-color LED display that can be ready from a wide range of angles with displays for AF level, reception quality, remaining battery capacity, frequency, group and channel
◆ Inhibit function to protect against unintentional maladjustment
System Specification:
| Workding Frequency | UHF 740MHz~789.75MHz UHF 610MHz~659.75MHz |
| Modulation | FM |
| Frequency Channel | 200 |
| Switching Bandwidth | 250KHz |
| Dynamic Range | >100dB |
| S/N Ratio | >105dB |
| T.H.D. | ≤0.5% |
| Frequency stability | ±0.005% |
| Max Deviation | 45KHz |
| Frequency Response | 80Hz-18KHz(±3) |
Receiver Parameter:
| Function principle | True diversity receiver (UHF) |
| Medium Frequency | 110MHz, 107MHz |
| Antenna Connection | 4xBNC/50Ω |
| Sensitivity | 12dBuV |
| Sensitivity Adjustment Range | 12~32dBuV |
| Noise Rejection | >75dB |
| Max Output Level | +10dBV |
Transmitter Parameter:
| Antenna | Build-in |
| RF Output | <10mW |
| Noise Rejection | -60dB |
| Transmission Range | 100m |
| Power Supply | 2pcs AA batteries |
| Battery Life | 10 hours in normal power; 12 hours in low power |
Professional Background Music System Designer and Manufacturer
Tel: +86 20 3939 0663
E-mail: sales@lyintl.com