Ultra Long Range True Diversity UHF Wireless Microphone SA-300U(G)

Features:

1. Use UHF520-690MHz frequency band to avoid interference frequencies;

2. True-diversity UHF microphone for easy and flexible operation;

3. Automatic infrared frequency, so that the transmitter and the receiver automatically synchronize to send and receive;

4. 200 channels with PLL frequency synthesis stabilization system;

5. 4 groups of independent RF and IF systems with 4 independent high-gain antennas;

6. The latest high frequency filter is used to filter out out-of-band interference signals to the maximum extent. 

7. High frequency circuit design with secondary frequency conversion, with extremely

high sensitivity

8. Multiple squelch control circuit to reject external interference;

9. Microphone uses dual boost design, battery power drop does not affect the

transmission power

10. Specially designed voice compression and expansion circuit greatly improves the

signal-to-noise ratio. 

11. Unique circuit design, large dynamic, wide frequency response, low noise;

12. Performance engineering, school broadcasting, public broadcasting, playground, and other remote operating environments;

13. Working distance: more than 200 meters indoors and 300 meters outdoors;