教育系统的麦克风

Teaching System Microphone (JET-S2) Technical Data Active main sound box Frequency Scope: 2.4 2.483GHz Frequency Response Scope : 50Hz 12KHz Modulation Type: GFSK,BT=0.5Gaussian Linking Mode: ID Coding, Auto-link locking Data Transmitting: Two-way 2.4G frequency-hopping (FH) Sensitivity: -82dBm(1%BER) Signal-to-Noise Ratio: ≥110dB Harmonic Distortion: ≤0.5% Working Distance: ≤50 meters Output Power: 30W Working Temperature: -30-50°C Weight: 3.8KG Power Supply: 220 AC/50HZ Dimension: 285*185*145(mm) Subsidiary sound box Frequency Response Scope : 50Hz 12KHz Signal-to-Noise Ratio: ≥110dB Harmonic Distortion: ≤0.5% Output Power: 30W Working Temperature: -30-50°C Weight: 2.7KG Dimension: 285*185*145(mm) Transmitter(Clip) Frequency Scope: 2.4 2.483GHz Frequency Response Scope: 50Hz 12KHz Modulation Type: GFSK,BT=0.5Gaussian Transmitting Power: 2.5mW Linking Mode: ID Coding, Auto-link locking Data Transmitting: Two-way 2.4G frequency-hopping (FH) Linking Time: <5 Seconds Sensitivity: -82dBm(1%BER) Signal-to-Noise Ratio: ≥110dB Working Current: 50mA Working hours: 20 hours Working Voltage: 3.7V Lithium battery Battery Capacity: 1000mAH Working Distance: ≤50 meters Working Temperature: -30-50°C Weight: 70G Dimension: 107*35*25(mm) Transmitter(Holding) Frequency Scope: 2.4 2.483GHz Frequency Response Scope: 50Hz 12KHz Modulation Type: GFSK,BT=0.5Gaussian Transmitting Power: 2.5mW Linking Mode: ID Coding, Auto-link locking Data Transmitting: Two-way 2.4G frequency-hopping (FH) Linking Time: <5 Seconds Sensitivity: -82dBm(1%BER) Signal-to-Noise Ratio: ≥110dB Working Current: 35mA Working hours: 15 hours Working Voltage: 9V Alkaline battery Working Distance: ≤50 meters Working Temperature: -30-50°C Weight: 306G Dimension: 240*50*50(mm)