UHF wireless microphone(U-8818)

Using UHF 700-870 MHz band to avert interferencing frequency.
Adopt advanced digital pilot technology, preset 30 group frequencies.
8 frequencies in each group, it can ensure 200 sets use together without interference.
Automatic frequency scan feature searches for available frequencies.
PLL system. Preset 99 non-interfered channels, adjustable 600 free frequencies.
SMT technology.
Splendid LCD display, shows the RF level, AF level, and microphone battery voltage.
It can adjust the transmitter power (High/Low) from the receiver.
Handheld microphone rechargeable design.
Ideal distance, 40m.
Designed for KTV rooms and stage use.

Comprehensive Performance
Carrier Frequency: UHF700-870MHz
Frequency Stabilization: <±30ppm
Dynamic Range: >100dB
Total Harmonic Distortion:<0.5%
Frequency Response: 40Hz-15Hz±3dB
Audio Output Level: Balance 400mV
                                     Unbalance 400 mV

Receiver
Power Supply: DC15-17V
Consume Power: 3 WATT
Signal/Noise Ratio: >95dB
Image&Spurious Rejection: >80dB
Border Upon Channel Rejection: >80dB
Receiving Sensitivity: 5dBuV
De-Emphasis: 50uS

Handheld Microphone
Transmitter Power: 30mW
Modulation Type: FM
Deviation: 40KHz
Spurious Emission: >60dB
Battery Voltage: 3V (2×1.5V AA Battery)
Continuous Using: 5 hours