Frequency range: 640-690MHz

Adjustable channels: 100×2

Oscillation mode: Phase-locked loop frequency synthesis (PLL)

Frequency stability: ±10ppm

Receiving mode: Superheterodyne secondary conversion

Receiving sensitivity: ≤-95dBm

Audio frequency response: 40-18000Hz

Harmonic distortion: ≤0.8%

Signal-to-noise ratio: ≥50dB

Audio output: Balanced output and mixed output

Transmitting power: 3-30mW

Modulation mode: Frequency modulation (FM)

Battery specifications: 2 No. 5 batteries

Power specifications: 100-240V 50-60Hz 12VDC 1000mA (switching power adapter)

Power consumption: ≤10W