ไมค์ลอย NTS คาดศรีษะ VF-400

NTS VF-400 Headset ไมโครโฟนไร้สายย่าน VHF แบบไมค์คาดศีรษะคู่

Comprehensive Performance

• Carrier Frequency VHF 165-210 MHz
• Frequency Stability +/-0.002%
• Modulation Mode FM
• Maximum Deviation Range +/-25KHz
• Frequency Response 40Hz – 20KHz
• Signal/Noise Ratio > 90dB
• Total Harmonic Distortion < 0.5%
• Effective Range 50 m.
• Work Temperature -10°C to 50°C

Receiver

• S/N Pate > 90dB
• False Pate > 80dB
• Vicinity Pate > 80dB
• Sensitivity > 12dBu (S/N = 20dB)
• Audio Output XLR balance output
• Phone unbalance output
• Power Voltage AC 220V/50Hz
• Transmitter
• RF Output Power 10mW
• Spurious emission 60dB below carrier minimum
• Current Consumption ≤ 30mA
• Batteries 1.5V x 2