1. DPLL digital phase-locked loop technology
2. Frequency range: 610~670MHz
3. Modulation method: frequency modulation
4. Adjustable channel number: 200 channels
5. Channel spacing: 300K
5. Frequency mode: Infrared frequency
7. Pilot mode: pilot plus number
8. Frequency stability: ±10ppm
9. RF power: 10 ~ 30mW (high and low second gear adjustment)
10. Audio frequency response: 40 ~ 16000Hz
11. Distortion: ≤0.5%
12. Dynamic range: 100dB
13. Battery specifications: 2X1.5V AA alkaline
14. Receive sensitivity: >90dBm
15. Signal to noise ratio: ≥100dB
16. Audio output: (XLR) card independent balanced output and Φ6.35 socket mixed unbalanced output
17. Power Specifications: 220V / 50Hz
18. Distance: 80 meters from the air and wide place
19. Material; Receiver Iron shell aluminum panel; launch, all aluminum and tantalum alloy