The H9940 dual-ear, marine-grade, wireless headset is designed to be worn under protective head gear with its behind-the-head style design. It provides excellent comfort, as well as clear and reliable communication. The H9940 can be used in extreme noise environments up to 125 dB. 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.





