Micro không dây chất lượng cao tự động ATK SK-220

System Index:
1. Frequency range: UHF640-690MHz                            
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 microphone 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