1.1 Transmitter Technical Specifications
Frequency Range: 677.7 ~ 696.30 MHz
Number of Channels: 16 (conservative estimate). The ID code changes randomly during each pairing within the manufacturer’s preset frequency range.
Oscillation Method: DSP chip frequency-locked
Frequency Stability: ±10 ppm
RF Power Output: 10 dBm
Audio Frequency Response: 40 ~ 18,000 Hz
Total Harmonic Distortion (THD): ≤0.5%
Battery Specification: 1.5V AA-size alkaline battery
Operating Time: 4 ~ 8 hours (varies by battery type and capacity)
1.2 Receiver Technical Specifications
Frequency Range: 677.7 ~ 696.30 MHz
Number of Channels: 16 (conservative estimate). The ID code changes randomly during each pairing within the manufacturer’s preset frequency range.
Oscillation Method: DSP chip frequency-locked
Frequency Stability: ±10 ppm
Receiver Sensitivity: -95 ~ -71 dBm
Audio Frequency Response: 40 ~ 18,000 Hz
Total Harmonic Distortion (THD): ≤0.5%
Signal-to-Noise Ratio (SNR): ≥90 dB
Audio Output: 300 mV (max)
