OQAN QWM-4 863-865 MHZ - Home UHF Wireless System
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WIRELESS SYSTEM: HANDHELD UHF wireless system for home use. Perfect for home karaoke, teachers, conferences, etc. Consisting of a handheld microphone transmitter and a receiver with a 1/4'' jack output. Range 40/50 m. Receiver battery life: approximately 4 h. Frequency range 863-865 MHz. The handheld transmitter works with two 1.5V AA batteries. The receiver is charged with any phone charger using a 5V mini USB port.
• 1. Frequency: UHF
• 2. Output impedance: 600 Ω
• 3. Power:
The transmitter: AA 1.5V x 2 pieces.
The receiver: 3.7V or external power supply
• 4. The transmitter: 1 pcs.
• 5. The receiver: 1 pcs.
• 6. Working range: about 25-50 meters
Receiver parameter:
• Frequency range: 863~865 MHz, 470~494 MHz.
• Channels: 4 or 48
• Frequency range: 500 K
• Response: 50 Hz ~ 18 KHz
• RF Production: High-performance integrated IC
• RF bandwidth: 50 MHz
• Signal-to-noise ratio: > 105 dB (peak weight)
• Dynamic range: > 100 dB
• Distortion: < 1.0% @ 1 KHz
• Use temperature: -18 ~ 50 ºC
• Working range: 50 m
• Receiver mode: High-performance integrated IC
• Sensitivity: > - 105 dB
• Display: LED
• Audio output: 1 mixed, unbalanced output (6.35mm jack)
• Transmitter parameters:
• RF Accuracy: ± 5ppm < 10 KHz
• Nominal frequency offset: 25 KHz
• Harmonics: < - 45 dB / c
• Output power: > 10 dB / m
• Display: LED
• Current consumption: < 150 mA at 3 V.
• Power supply: 2 AA 1.5V batteries
