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Product description
Eartec UltraLITE HD – Full Duplex Wireless Communication Without A Base Station 
When your job calls for split second coordination, look to UltraLITE-HD self-contained headsets for hands-free, full duplex wireless voice contact. These revolutionary headsets eclipse all other full duplex systems for performance and convenience as the transceiver is built right inside the ear cup.
Expandable
At the heart of the UltraLITE HD system is a specialty MAIN headset that relays the digital signals generated by up to four REMOTE units, allowing up to 5 people to talk simultaneously and hands-free.
AutoMute Technology
The flexible gooseneck microphone boom assembly swivels 270 degrees to be worn on either left or right, and an internal switch will automatically mute the headset mic gain when set to the UP position.
Ready to Use
UltraLITE HD are ready to use right out of the box. To operate, simply turn the headsets “ON” and talk! Featuring 5 volume settings with audible tones to denote the headset volume level.
No Wires or Base Stations Required
With the transceiver built right inside the ear cup, this self-contained, “All in One” design eliminates wires and belt worn radios. No complicated base stations or beltpacks required!
Water Resistant
Eartec UltraLITE HD headsets are silicone sealed for use outdoors in inclement conditions.
Deluxe Padding
Featuring an adjustable padded headband, UltraLITE HD headsets fit firmly, yet comfortably, for an 8-hour work shift.
Hands-Free Communication
Designed to streamline communications in many industries, including food service, catering, kitchen / restaurant staff, boating staff / crew, sports coaches / assistants, and more!
Field Replaceable
The Lithium Polymer batteries (included) charge externally and are field replaceable. This allows you to purchase spare batteries to keep on hand during your important events!
What’s Included 
UltraLITE HD MAIN Headset
Each UltraLITE HD headset system includes a MAIN Headset. The MAIN headset must be turned on to link the corresponding Remote headsets. Its programming button is located above the volume controls and is recessed to protect against accidental activations). Only one MAIN headset can be used per system. Available in Single Ear cup or Dual Ear cup styles.
UltraLITE HD Remote Headset
Each UltraLITE HD headset system includes at least one Remote headset. The Remote headset pairs to the MAIN headset in the system, providing hands-free, full duplex performance. Available in Single Ear cup or Dual Ear cup styles.
10-Bay Battery Charger
The 4-User UltraLITE HD intercom systems includes a multi-charger with AC adapter that charges up to 10 individual batteries in their own bay. When each battery reaches full charge the corresponding LED turns from red to green indicating that the battery is ready to go. This feature allows users to have extra batteries on hand in the charger whenever necessary.
Rechargeable Li-Poly Batteries Included Batteries
All UltraLITE HD transceivers come complete with a Lithium Polymer rechargeable battery. The batteries are also available separately as replacements. Since they are field replaceable, the batteries can be charged easily allowing UltraLITE systems to be utilized over extended periods.
Softside Carrying Case
Eartec’s Softside Case will keep your wireless system stored safely. Constructed of waterproof nylon, this headset bag/case includes internal compartments so the headsets stay organized. There is also a pocket with secure enclosure for the charger and any spare batteries. It also features a molded hard plastic handle.
Eartec UltraLITE 4-User Systems
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Customer Reviews
4.3 out of 5 stars 178
4.4 out of 5 stars 19
4.5 out of 5 stars 98
4.5 out of 5 stars 98
4.4 out of 5 stars 97
4.4 out of 5 stars 36
4.4 out of 5 stars 36
Price
$735.00$735.00
$755.00$755.00
$775.00$775.00
$795.00$795.00
$815.00$815.00
$175.00$175.00
$195.00$195.00
Model
UL4S
UL431
UL422
UL413
UL4D
ULSR-HD (Add-on/Replacement)
ULDR-HD (Add-on/Replacement)
Number of Users
4 Users
4 Users
4 Users
4 Users
4 Users
1 User
1 User
MAIN Headset Type
Single Ear
Single Ear
Single Ear
Single Ear
Dual Ear
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–
Remote Headset Type
Single Ear (3)
Single Ear (2), Dual Ear (1)
Single Ear (1), Dual Ear (2)
Dual Ear (3)
Dual Ear (3)
Single Ear
Dual Ear
Expandable
Up to 5 Users
Up to 5 Users
Up to 5 Users
Up to 5 Users
Up to 5 Users
–
–
Batteries Included
4
4
4
4
4
1
1
10-Bay Multi-Charger Included
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✔
✔
✔
✔
✘
✘
Carrying Case Included
✔
✔
✔
✔
✔
✘
✘
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Technical Specifications
Frequency 1920 – 1930MHz (USA) Preferred Frequency (MHz) TX/RX: 1921.536 ~1928.448MHz Maximum Transmit Power 100mW Usage Type / Duplexing TDMA / Time Division Duplex (TDD) Channel Tuning Step 1.728MHz Channel Bandwidth 1.728 GHz Modulation Type GFSK Transmission Speed 1.152 Mbps (Baud Rate) RF Accessing Time Division Multiple Access (TDMA) Range 300 yards (line of sight, terrain dependent) Headset Power Supply Rechargeable Lithium 3.7 V/ 800 mAh 3.0 Wh Charger Power Supply AC / adapter: INPUT 110-40Vac Charge Time 3 Hours Operation Time 5-6 Hours Normal Condition of Use 0 C to 40 C Storage Temperature -10 C to 50 C
All-in-One Design – No base stations or beltpacks required
Auto Mute by lifting Mic Boom
Mic boom can swivel 270 degrees
Lithium Polymer Batteries provide continuous 6 hr operation
No FCC Licensing, ready to go right out of the box
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