Eartec Ultralite UL2S HD – Wireless Intercom Set
Full duplex headset set for 2 people without beltpack
article number: 12051 | manufacturer number: UL2S-HD | EAN/UPC: 0672225579458
The Eartec Ultralite UL2S HD is a wireless full-duplex intercom set for 2 people. It consists of a master headset and the matching remote headsets and is suitable for clear team communication in film, studio, live event, stage and broadcast.
This set is designed for small teams, camera operators and directors. The transmitter and receiver are integrated directly into the headsets, so no separate belt packs are required. The one-sided headsets keep one ear free and are particularly suitable if you still want to hear ambient noise.
- Wireless full-duplex communication without a talk button
- Direct communication with up to 5 Ultralite units
- DECT technology with registration and fee-free conditions 1.9 GHz frequency range
- Incrementally expandable within the Ultralite series
- 1 x ULSM HD
- 1 x ULSR HD
- 2-fold charger
- 2 batteries
- small Bag
- Up to 400 meters range, depending on the environment and operating conditions
- Microphone arm with 270 degrees Swivel range, can be worn left or right
- Automatic microphone mute when the microphone is folded up
- Replaceable lithium batteries for flexible usage times
- Up to 6 hours of operation with one Battery set
The UL2S HD set is suitable for teams that need to talk to each other reliably without hard wiring. Typical applications are mobile productions, director's workstations, camera teams and technical crews.
- Film, video and studio productions
- Live events, stage and event technology
- Broadcast, streaming and Camera communication
Real product can look different to picture
techn. Specs▲
Technical data
| Standard | DECT | DECT 6.0 (Digital Enhanced Cordless Telecommunications) |
|---|---|---|
| Frequency | USA | 1920 - 1930 MHz |
| Europe | 1880 - 1900 MHz | |
| Frequency range | Preferred frequency | TX/RX: 1921.536 - 1928.448 MHz |
| Tuning range Receive | 1921.536 – 1928.448 MHz | |
| Power | Max. Transmission power | 100 mW |
| Transmission | Usage type | TDMA |
| Channel tuning Step | 1,728 MHz | |
| Channel bandwidth | 1,728 MHz | |
| Modulation | GFSK | |
| Transmission speed | 1,152 Mbit/s (Baud Rate) | |
| Duplex / Access | Duplex | Time Division Duplex (TDD) |
| Access method | Time Division Multiple Access (TDMA) | |
| Audio | Speech coding | ADPCM / 32 kbit/s |
| Range | Max. Distance | approx. 300 meters(line of sight, depending on terrain) |
| Power supply | Headset battery | Rechargeable lithium 3.7V / 800mAh / 3.0 Wh |
| Charger | AC adapter: input 110 - 240 V AC | |
| Operation | Charging Time | approx. 3 hours |
| Operating time | approx. 5 – 6 hours | |
| Environment | Operating temperature | 0 °C to 40 °C |
| Storage | -10 °C to 50 °C | |
| General | Weight | approx. 113 g (individual devices) |
Questions & Answers▲
How many people can communicate with this set?
The set is designed for 2 people and contains 2 headsets (1 master and 1 remote). However, the system can be expanded to up to 5 devices, all of which communicate directly with each other.
What range does the intercom system have?
The range is up to 400 meters. A range of more than 300 meters is guaranteed in full duplex operation.
How long does the battery last per charge?
The lithium batteries offer up to 6 hours of operating time with one battery pack. The batteries are replaceable, allowing almost uninterrupted operation.
Can the microphone be worn on both the left and right?
Yes, the microphone and microphone capsule can be worn on both the left and right. It has a 270 degree swivel angle for flexible positioning.
How does automatic mute work?
If the microphone is turned vertically upwards, the microphone is automatically muted.
What is included?
The set contains 1 master headset, 1 remote headset, 2 batteries, 1 double charger and 1 transport bag.
What wireless technology is used?
The system uses DECT technology for crystal-clear communication. It operates in the registration- and fee-free 1.9 GHz frequency range with European approval.
How do I know the charging status of the batteries?
The included double charger has LED displays: A red LED indicates the charging process, a green LED signals the completion of the charging process.
Can the system be expanded later?
Yes, the system can be expanded gradually. Up to 5 units communicate directly with each other. If you have more than 5 devices, an additional base station can be purchased.
documents, files, links▲
product safety (GPSR)▲

eartec-ultralite-manual-english-2016.pdf