Hub Mini Duplex Base Station The HUB is a wearable Mini Base that expands the capacity of UltraLITE wireless headsets for larger crews that need to communicate and work with their hands. This compact transceiver weighs only 4oz and can either be placed strategically on location or belt worn. When clipped comfortably to the user's waist it moves seamlessly with your group allowing UltraLITE headsets to remain connected in full duplex. The HUB can be used as the seventh full duplex transceiver with addition of an Eartec plug-in headset.• Full Duplex for up to 7• 1/4 mile range in all directions• 2 channels of communication Clips to waist - plug-in headset Provides total mobility and increases system capacity to 7. DECT technology Digital enhanced cordless telecommunications. Dual power option Use rechargeable Lithium battery or AC wall plug. Both included. Lithium-ion batteries Provide continuous 6 hour operation. No FCC licensing Ready to go right out of the box. Single Headset UltraLITE Single headsets eclipse all other full duplex wireless for performance and convenience because the transceiver is built right inside the ear cup. This self-contained, "All in One" design eliminates headset wires and even belt worn radios. They provide simultaneous talk, two way voice communication for users that need to work with their hands yet also require one ear free to listen to what is going on around them. Max4G Double Headset The Max4G Double features performance that rivals those of other expensive "Pro Audio" headsets, but at a fraction of the cost. Considered a midweight model the Max4G Double includes a superior noise cancelling microphone and specialty boom arm with internal switch that automatically mutes the mic gain when the arm is placed in the "UP" position. Fitted with a molded dual pin plug, the Max4G Double can be added instantly to The HUB providing spectacular voice communication expanding the full duplex talk-net to 7 users. Featuring AutoMUTE Boom Technology The "AutoMUTE Boom" is a technology developed by Eartec engineers and is included with all Max4G headsets. These specialty microphone assemblies feature an internal micro switch that automatically mutes the headset mic gain when set to the UP position. Using AutoMUTE is a simpler. more efficient way to mute your microphone compared to fumbling for and pressing, the mute button on your beltpack. Eartec's Standard Softside Case Eartec's Standard Softside Case keeps your UltraLITE wireless intercom stored safely. Constructed of waterproof nylon material this compact headset bag / case features padded internal compartments so the headsets stay organized. In addition, there Is a pocket with Velcro closure for the charger and any spare batteries. The molded hard plastic handle makes transport easy and convenient for on location work. There is no better way to protect your investment in an Eartec wireless system than addition of this affordable, optional accessory. Rechargeable Lithium Battery Since UltraLITE headsets feature self-contained. "AII in One" design all electronics, even the battery, is installed in the headset plastics. The batteries are lightweight and about the size of a book of matches. They charge in about 3 hours, run for 6 hours and can be changed out in seconds. Since they are Lithium-ion, the batteries do not have to be drained after each use and will never develop a memory. 8- Port Charger with Adapter A terrific benefit of Eartec's new line of full duplex wireless systems is that the batteries charge externally. In fact, all HUB systems include an 8 bay multiport charger with positive LED indicator. When the batteries reach full charge the corresponding LED turns from red to green indicating that battery is charged up and ready to go.