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Frequency Range:610MHz-960MHz(May various on different country)
Band width:50MHz
Modulation Mode:FM
Peak Deviation:±45KHz
Audio Response:80Hz—15KHz
Comprehensive SNR:≥50dB(A)
Comprehensive Distortion(1kDz):<2%
Operating Temperature:-10℃~55℃
Working distance:80 meters(Max)
Receiver
Oscillation Mode:PLL(Digital frequency synthesizer)
F/N Ratio: ≥80dB
P/N Ratio:≥80dB
Sensitivity:5dBuV
Audio out Voltage:Balanced(XLR output jack): 250mV/600Ω
Unbalanced(1/4"output jack):400mV/3KΩ
Working voltage: DC12—16V
Working current:≤500mA
Transmitter:
RF Out power:MAX 30mW
Oscillation Mode:PLL(Digital frequency synthesizer)
Transmitter frequency stability:<30ppm
Dynamic range:≥100dB(A)
Audio frequency response:50Hz—15KHz
Max input sound pressure:130dB SPL
Mic head: Dynamic/Condenser
POWER:1.5V AA*2
Model Name: TW-40
UHF 4 channels wireless mic with Fixed Frequency
Features
1. 4 channel fixed frequency wireless microphone
2. Working at low interference UHF band (610-680MHz)
3. 5 groups of frequencies available
4. LCD display working statue
5. High class metal handheld mic and 1U standard rack mount receiver.
6. Reliable SMT technology
7. Dual filter design makes better anti-interference ability
8. External TNC rubber antenna
9. High performance capsule
10. Each channel has individual volume control.
11. Balanced and line output available.
Technical Specification
Transmitter:
Transmitting power:<30mW
Spurious emission:<40dB (with carrier)
Battery Voltage: AA 1.5V * 2
Battery Life: >8 Hours
Receiver:
Carrier Frequency Range: UHF 610-680MHz
Oscillation Mode: Quartz Controlled Fixed Frequency
Stability: 10PPM
Sensitivity: 2uV @ sinad = 12dB
Max. Deviation Range: 50 KHz
S/N Ratio: >103dB
T.H.D.:<0.5% @ 1 KHz
Image Rejection: 85dB typical
Spurious rejection: 75dB typical
Frequency Response: 50Hz-16 KHz
Squelch Control: Multi-squelch circuit
Max. Output Level: Balanced: 0-400mV
Unbalanced: 0-300mV
Working Distance: 60-80M
Power Supply: External DC Power Supply, 0.8A, 12-15V DC
