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Help CenterUHF Professional Wireless Handheld Microphone,Double Channel Wireless Microphone
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UHF Professional wireless handheld microphone
SM-U82 & SM-U15 Technique parameter
• RF range: 520-830 MHZ
• Modulation mode: FM
• Bandwidth: 30 MHz each channel
• Channel :200
• Frequency stability:± 0.005%
• Dynamic range: > 110 dB
• Max. frequency deviation: ±5 KHz
• Frequency response: 60 Hz - 18 KHZ (± 3 dB)
• S/N ratio: > 105 dB
• T.H.D: < 0.5%
Receiver index
• Receiver mode: Two frequency super heterodyne
• Intermediate frequency: First intermediate frequency: 110 MHZ
Second intermediate frequency: 10.7 MHz
• Connector: BNC
• Sensitivity: 12 dB (80 dBS/N)
• Squelch: 0-40 dB
• Spurious rejection: > 80 dB
• Audio output: Unbanlanced: + 4 dB / (1.25 V) / 5K
Balance: : + 10 dB (2.5 V) / 600
• Power supply: DC11-16 V (rated12V)
• Current: single receiver, less than 220 mA,
double receiver, less than 350 mA
SM-U18 Technique parameter
• RF range: 740-820 MHZ
• Modulation mode: FM
• Band width: 80 MHz
• Max. frequency deviation: ±50 KHz
• Frequency response: 40 Hz - 16KHZ (± 3 dB)
• Dynamic range: > 105 dB (A weighted)
• S/N ratio: > 105 dB
• T.H.D: ≤ 0.5%(@ 1KHz)
• Audio processing mode : Dynamic compression expansion technique
• Operating temperature : 0°c to + 50°c
Receiver
• Receiver channel: Dual channels
• Oscillation mode: PLL
• Audio Output Level: 0-300 mV
• Audio Output Impedance: 600 Ω
• Image Rejection:≥ 85 dB
• Power supply: DC 12-16 V/ 400 mA
Transmitter
• Oscillation mode: PLL
• Frequency stability: ≤ ± 10 ppm
• Maximum modulation: ± 50 KHZ
• Maximum output : 30 mW (in accordance with national radio regulations)
• Maximum input sound pressure: 130 dB SPL
• Harmonic radiation: < - 55 dBc
• Using batteries: 2 AA batteries
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