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1. Load frequency: 630mhz-690mhz

2. Oscillation mode: PLL phase locking frequency synthesis

3. Harmonic radiation: ＜ - 65dbm

4. Bandwidth: 40MHz

5. Maximum offset: ± 45khz

6. Audio input modulation signal: capacitive, single directivity

7. RF power output: 15MW

8. Working voltage: 3v-5v (built-in 3.7v-2000ma lithium battery)

9. Normal power consumption: ＜ 250mA

10. Radiation power: + 10dBm

characteristic:

1. The microphone rod and base can be separated, which is convenient for transportation and storage.

2. Super cardioid directional condenser microphone is adopted to realize high-quality sound pickup.

3. With liquid crystal display, it can display signal strength, battery power, charging state, power supply state, microphone switch state, microphone ID number, system control channel number and corresponding operation dynamic key indication.

4. The chairman unit has the function of controlling speech

5. The green light ring shows the working status.

6. The chairman has priority function control, which can be used to control the right to speak and the atmosphere of the meeting

7. The unit has built-in high-capacity lithium polymer battery, which can be used continuously for up to 40 hours and 60 hours in standby.

8. The unit can be charged through the charging box of USB serial port.