H-280U UHF Wireless Meeting Microphone
◆ System include 1 receiver and 2 transmitter microphone
◆ Operating frequency range: UHF 740-790MHz/610.00-659.75MHz
◆ Adopts CPU control and PLL combined technology
◆ Frequency stability: <±30PPm
◆ The FM maximum frequency could be adjustable within the range from -45 KHz to +45KHz
◆ It is equipped with the pre-warning display for weak battery, audio frequency response compressor and auto electricity level control circuit
◆ Adopt multi-channel high band and intermediate band frequency selective filtering, fully eliminate interference signal
◆ Build-in feedback eliminating technology which can decrease the feedback and noise effectively
◆ Perfect performance with the best chips and components; adopt SMD original mount design to enhance the product quality and stability
◆ Operation distance up to 100 meters with the best condition, 50 meters in normal condition
◆ Frequency and channel are locked to protect anti-jamming function
Carrier Frequency Range | UHF 740MHz~789.75MHz UHF 610.00MHz ~ 659.75MHz |
Modulation | FM |
Frequency Channel | 200 |
Switching Bandwidth | 250KHz |
Frequency stability | <±30PPm |
Dynamic Range | 100dB |
Frequency response | 40Hz~18KHz |
Max deviation | ±45KHz |
T.H.D | <0.5% |
S/N rato | 105dB |
Power consumption | 13W |
Pressure limit sensitivity | -70 ~ -98dBM |
Pilot carrier frequency | 32KHz |
Service Range | 100M |
Power supply | AC110V-230V 50Hz/60Hz DC12.8V 1500mA |