Frequency range: 640-690MHz;

Number of adjustable channels: 100×2;

Oscillation mode: phase-locked loop frequency synthesis (PLL);

Frequency stability: ±10ppm;

Receiving mode: super-aberrant secondary frequency conversion;

Receiving sensitivity: -95~-67dBm;

Audio frequency response: 40-18000Hz;

Harmonic distortion: ≤0.5%;

Signal-to-noise ratio: ≥110dB;

Audio output: balanced output and hybrid output;

Transmit power: 3-30mW;

Modulation mode: frequency modulation (FM);

Battery specifications: 2 No. 5 batteries;

Power supply specifications: 100-240V 50-60Hz 12VDC ≥ 500mA (switching power adapter) or 220VAC/50-60HZ 12VDC ≥ 500m (linear power supply);

Power consumption: ≤10W .