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System Indicators:
Frequency range: 640–740 MHz
Modulation method: Wideband FM
Tuning range: 60 MHz
Number of channels: 200
Channel spacing: 200 kHz
Frequency stability: within ±0.005%
Dynamic range: >105 dB
Maximum frequency deviation: ±45 kHz
Audio frequency response: 40 Hz –
Comprehensive signal-to-noise ratio (18 kHz, ±3 dB):
Total harmonic distortion (>110 dB): ≤0.2%
Operating temperature: -25°C to +40°C
Receiver Specifications:
Receiver mode: Dual-conversion superheterodyne
Superheterodyne input power: 5 W
IF frequency: First IF: 110 MHz, Second IF: 10.7 MHz
RF interface: BNC / 50 Ω
Sensitivity: 12 dBμV (80 dB S/N)
Sensitivity adjustment range: 10–32 dBμV
Spurious rejection: ≥95 dB
Maximum output level: +10 dBV
Transmitter Specifications:
Antenna type:
Bodypack transmitter uses a 1/4-wavelength whip antenna
Handheld microphone has a built-in antenna
RF output power: 20 mW
Spurious suppression: -60 dB
Power supply: Two AA batteries
Operating time: Approximately 8–10 hours
