Description

Microphone parameters:

1. Frequency range: fixed frequency 230290MHz (display 730~790MHz)

2. Oscillation mode: DSP chip frequency lock

3. Frequency stability: +\- 10ppm

4. RF power: 10dBm

5. Audio frequency response: 100~10000Hz

6. Distortion: <=0.5%

7. Battery specification: 1.5V/AA size dian

Receiver parameters:

1. Frequency range: fixed frequency 230290MHz (display 730~790MHz)

2. Oscillation mode: DSP chip frequency lock

3. Frequency stability: +\- 10ppm

4. Receiving sensitivity: -95~-71dBm

5. Audio frequency response: 100~10000Hz

6. Distortion: <=0.5%

7. Signal-to-noise ratio: >=90dB

8. Audio output: 300mv(max)

9. Battery specification: 1×3.7V/18650 size battery