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Three external high-gain omnidirectional antennas can effectively enhance the antenna coverage area and receiving sensitivity
Using polysilicon solar panels
harmonic distortion<=1%)
Long-life valve switch
effectively reduce the damage to the spine
YANS YS-M81 USB 2.0 Port Video Conference Omnidirectional Microphone (Black) Mobile Accessories Three external high-gain omnidirectional antennas1. Use hands free speaker + microphone design 2. USB free drive, plug and play 3. With DSP audio processing chip, up to 256ms echo cancellation 4. 360 degree sound pickup without dead ends, with a pickup radius of up to 3 meters 5. Built in DSP audio processing chip, can do echo cancellation, noise suppression, automatic gain 6. Compatible with windows7 8 10 xp, android 4. 4 5. 1 6. 0 7. 1 8. 1 9. 0 and other systems 7. Equipped with intelligent two
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