The LKR-12 ListenTALK Receiver Basic is a one-way device designed for those participants that only need to listen to ListenTALK group conversations. The LKR-12 is equipped with Listen Technologies’ ergonomic design, encryption technology for added security, and easy to use volume control. ListenTALK Receiver Basic is the simplest option for one-way communication among groups of two or more people in any environment. In addition to the included Listen Ear Speaker, ListenTALK can be used with standard smartphone earbuds or Listen Technologies headphones.
Listen Technologies LKR-12-A0 Features
- Fast and simple one-way communications
- Simple up and down volume control
- Encryption technology for added security
- Compatible with standard earbuds and Listen Technologies headphones
- Long-lasting lithium-ion rechargeable batteries
- Optional Alkaline Battery Compartment
- LKR-12 ListenTALK Receiver Basic1
- LA-365 Rechargeable Li-ion Battery1
- LA-401 Universal Ear Speaker1
- LA-445-BK Breakaway Lanyard1
- Physical
- Dimensions (HxWxD) with Belt Clip: 10x5.4x2.4 cm (3.93x2.13x0.93”)
- Unit Dimensions (HxWxD): 10x5.4x1.6 cm (3.93x2.13x0.63”)
- Unit Weight: 79 g (2.79 oz.)
- Shipping Weight: 206 g (7.20 oz) with 454 g (1.0 lbs.) minimum
- Enclosure material: PC ABS Plastic
- Color: Black, Chrome Buttons
- Indicators: Variable brightness LED- Green/White multifuntion (On, Charge Status, Battery Status)
- User Controls: Volume up, Volume down, Power/Status
- Programming: Via software and USB port on unit or via software and USB port on Docking Station
- Connections
- Headset- 3.5mm TRRS, CTIA complaint
- USB- Micro USB, Control and Charging
- Charger- 4 Contact, Control and Charging
- Audio
- Headphone Output
- Speaker Load- 16 - 32 ohm load
- Max Output Power- 67 mW, 16 ohm load, Threshold of Clipping
- System
- Frequency Response- 40 Hz to 15 kHz +/- 3dB, 22kHz low pass filter
- SNR- 70 dB, A- weighted, Threshold of Clipping
- THD- 0.5% @ 1kHz, 22kHz low pass enabled
- Headphone Output
- Radio
- Operating Frequency
- 1920 to 1930 MHz - North America
- 1880 to 1900 MHz - Europe, Australia
- 1895 to 1905 MHz – Japan
- Typical Range
- Indoor 100 m, Outdoor 200 m, depending upon conditions - North America, Japan
- Indoor 150 m, Outdoor 300 m, depending upon conditions - Europe, Australia
- Modulation
- GFSK - FHSS
- TDD/TDMA/DCA
- Security
- Subscription- 40 bit (Pin Free)
- Authentication- 32 bit
- Encryption- 64 bit
- Operating Frequency
- Power and Battery Management
- Battery Type
- Lithium – ion, rechargeable non-proprietary removable, 1200 mAh
- Optional- 3 AAA Battery Compartment
- Typical Operating Time
- Li-ion- Participant- 12 Hours
- AAA – Participant Mode – 7 Hours
- Typical Charge time: 4 Hours
- Power Save Modes
- Power down on loss of signal
- Power down on disconnection of headphone (1 min)
- Power down on charging
- Battery Type
- Environmental
- Temperature
- Operation- -10°C (14°F) to 40°C (+104°F)
- Storage- -20°C (-4°F) to 50°C (+122°F)
- Relative Humidity: 0 to 95% relative humidity, non-condensing
- Temperature
- Compliance StandardsFCC part 15, ICS-03, CE, RCM, MIC, RoHS, WEEE
