Headset Acoustic Earpiece Earphone Ptt For Walkie Talkie Pd700 700g 780 780g 780gm 788 782
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TECHNICAL SPECIFICATION | |||||||
Speaker | |||||||
Dimension | Φ36*9.8mm | ||||||
Impedance | 8 Ω | ||||||
Rated Input Power | 1.0W | ||||||
Maximum Power | 1.5W | ||||||
Sound Pressure Level | 98 dB±3dB at 1KHz | ||||||
Frequency Range | 50Hz – 5KHz | ||||||
Microphone | |||||||
Dimension | Φ9.7*6.5mm | ||||||
Type | Electret Condenser Microphone | ||||||
Impedance | 2.2K Ω | Wide Band | Narrow Band | ||||
Sensitivity | -40dB ± 3dB at 1000Hz(0dB=1V/Pa) | ≤0.25μV | ≤0.35μV | ||||
Operating Voltage | 2.0V | ≥70dB | ≥60dB | ||||
Directivity | Omni directional | ≥65dB | ≥60dB | ||||
Wire | ≥70dB | ≥70dB | |||||
Dimension | Φ4.2mm | +1~-3dB(0.3~3KHz) | +1~-3dB(0.3~2.55KHz) | ||||
Durable temperature | 60 ℃-20 ℃ | ≥45dB | ≥40dB | ||||
Material | TPU Black | ≤5% | |||||
Audio output power | ≥2W@10% | ||||||
Transmit (ETSI EN 300 086 Standardized. Test) | |||||||
Wide Band | Narrow Band | ||||||
Output Power | 25W/20W(VHF/UHF) | ||||||
Modulation Mode | 16KØF3E | 11KØF3E | |||||
Adjacent Channel Selectivity | ≥70dB | ≥60dB | |||||
Hum & Noise | ≥40dB | ≥36dB | |||||
Spurious Emission | ≥60dB | ≥60dB | |||||
Audio Response | +1~-3dB(0.3~3KHz) | +1~-3dB(0.3~2.55KHz) | |||||
Audio distortion | ≤5% | ||||||
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