Infrared frequency band U-band technical specifications (Mikrafonlar)

• Using pi/4 DQPSK digital modulation technology, with superior RF performance and audio performance
• Small transmission delay and long transmission distance
• Fully integrated chip solution, stable product performance
• 2x100 adjustable frequency points
• Enhanced wireless reception
• Beautiful LCD display effect
• With automatic search for clean channels
• Optional electronic volume adjustment function
• Working voltage: AA battery x2pcs
• Working current: 100~120mA
• Frequency range: 640~690MHz
• Frequency error: <15ppm
• Transmit power: 10--14dBm
• Frequency response: 30 ~ 15 KHz