Products

H-280U UHF Wireless Meeting Microphone

Product ID: H-280U
Short Description:

Frequency range:
740-790MHz/610.00-659.75MHz
1 receiver & 2 transmitter

◆ 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

 

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