True diversity wireless microphones 
	
	System Index:
	1. Frequency range: UHF 520-930MHz
	2. Modulation: Broadband FM
	3. Adjustable range: 50MHz
	4. Number of channels: 2x100
	5. Channel spacing: 250KHz
	6. Frequency stability: ± 0.005% or less
	7. Dynamic range: 100dB
	8. The biggest deviation: ± 45KHz
	9. Audio Response: 80Hz-18KHz (± 3dB)
	10. Integrated signal to noise ratio:> 105dB
	11. Comprehensive distortion: ≤ 0.5%
	12. Operating temperature: -10 ℃ ~ 50 ℃
	Receiver specifications:
	1. Receiver mode: the second frequency superheterodyne
	2. IF frequency: the first IF: 110MHz, the second IF 10.7MHz
	3. Wireless interface: BNC / 50
	4. Sensitivity: 12dBμV (80dBS / N)
	5. Sensitivity range: 12-32dBμV
	6.Spurious suppression: ≥ 75dB
	7. Maximum output level: + 10dBV
	Transmitter Specifications:
	1. Antenna program: Pocket transmitter with a 1/4-wavelength whip antenna, hand-held microphones built-in spiral antenna
	2. Output power: high frequency 30Mw, low frequency 3Mw
	3. Spurious suppression: -60dB
	4. Power supply: two AA DC 1.5V battery 5. Operating time: more than 10 hours at 30mW, more than 15 hours at 3mW