Frequency:640-690mhz

Receiver:

Technical parameters: Panel display: LCD liquid crystal display, which can simultaneously display multiple functions such as RF/AF signal strength, channel, frequency, mute level, etc.;

Oscillation mode: PLL phase-locked frequency synthesis;

RF stability: ±0.005% (-10~50°C);

Carrier frequency band: UHF640~690MHz;

Frequency bandwidth: 50MHz;

Frequency adjustment: ∧ / ∨ select the desired frequency, and then press the “SET” function button, the transmitter can automatically lock the same working channel of the receiver immediately.

Receiving method: secondary frequency conversion reception;

Sensitivity: When the offset is equal to 40KHz and the input is 6dBV, S/N>80dB;

Maximum excursion: ±68KHz with volume expansion; Integrated S/N ratio: >105dB(A); Integrated T.H.D.: <0.5% @ 1KHz; Integrated frequency response: 50Hz~18KHz±3dB;

Maximum output voltage: independent balanced: +10dB(2.5V)/600Ω,

Hybrid unbalanced: +4dB(1.25V)/5KΩ.

Mute control mode: double mute control of “sound code and radio frequency strength”;

DC power supply: 12V/500mA;

Microphone transmitter:

Technical parameters: Anti-interference design of mobile phone signals;

Tube material: plastic injection molding;

Oscillation mode: PLL phase-locked frequency synthesis;

Carrier frequency band: UHF 640-690MHz; frequency width: 50MHz;

Frequency adjustment: automatic tracking receiver working channel;

Output power: (high) 70mW/(low) 10mW;

Harmonic radiation: <-55dBC;

Maximum offset: ±45KHz;

Default channel: 200;

Frequency response: 50~18,000Hz;

Directivity: high cardioid directivity;