Description
- System technical parameters indicators:
Frequency range: 640-740MHz
Modulation: Broadband FM
Adjustable range: 100 MHz
Number of channels: 400
Channel spacing: 270KHZ
Receiving method: CPU control automatic selection
Frequency stability: within ± 0.005%
Dynamic Range: 100 dB
Maximum frequency deviation: ± 50 KHZ
Audio Response: 40Hz-18 KHZ (±3 dB) with low frequency attenuation filter circuit
Comprehensive signal-to-noise ratio: >105dB
Comprehensive distortion: ≤ 0.5%
Operating temperature: -10℃ to 40℃
2. Transmitter indicators :
Antenna program: waist-mounted transmitter adopts 1/4 wavelength whip antenna; handheld microphone has built-in helical antenna
Output power: high power 30mW; low power 3mW
Spurious Suppression: -60dB
Power supply: Using a 18650 lithium battery, cycle charging, environmentally friendly and durable, with a charging cable, it can work continuously for 6-7 hours for a long time.
Use time: more than 10 hours at 30mW, more than 15 hours at 3mW
3. Receiver indicators :
Receiver mode: double frequency conversion super heterodyne
IF Frequencies: 1st IF: 110 MHz, 2nd IF 10.7 MHz
Antenna interface: BNC/50Ω
Sensitivity: 12 dBμV (80dBS/N)
Sensitivity adjustment range: 12-32 dBμV
Spurious Suppression: ≥ 75dB
Maximum output level: +10 dBV
Power supply: 800mA, 12VDC
Output socket: XLR balanced socket / 6.3φ unbalanced socket
Size (m/m) (L*H*D): 480*44*180
Weight (kg): 3.2
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