The H9990 single-ear, over-the-head style communications headset incorporates a noise-canceling, dynamic microphone that is optimized for extremely noisy environments up to 125 dB. With superlative performance and unsurpassed comfort, the H9990 is ideal for high noise environments and long work hours while providing ease of use and effective communication. The 9900 series headsets are designed to be used with the Series 9900 wireless belt stations and wireless push-back gateway.The Series 9900 Wireless Intercom System is the perfect solution for ground support communications in demanding, high-noise environments such as airline and airport operations, fire and rescue applications, or any application requiring robust, reliable, and secure communications. This system is ideal for push-back operations, wing-walkers, marshalling agents, maintenance mechanics, and de-icing operations. The 9900 wireless system consists of the push-back gateway, wireless belt stations, and any Series 9900 wireless headsets.
