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1. Microphone type: capacitive

2. Microphone directivity: cardioid directivity

3. Pickup sensitivity: > - 20dbm (1V)

4. Transmitting power: > + 10dBm (10mwh)

5. Microphone power consumption: 110mha

6. Effective distance: obstacle free straight line 60m

7. Audio response: 50Hz-18KHz

8. Frequency stability: + - 0.001%

9. Anti electromagnetic wave of mobile phone: Yes

10. Working frequency: 610-780mhz, controlled by microcomputer CPU

11. PLL PLL frequency synthesis technology, digital frequency matching

12.32/64/99 free channel selection, LCD digital display

13. Frequency stability: ± 0.002%

14. FM maximum modulation frequency deviation: ± 45khz

15. Communication command: controlled by microcomputer CPU

16. Power reminder: intelligent battery undervoltage warning display

17. Circuit index: PLL PLL frequency synthesis technology, dynamic audio compression and automatic level control circuit

18. Noise lock squelch control + voice code navigation lock squelch control

19. Receiver: 44.4mm high * 483mm wide 185mm deep