Details
General Description
The ListenTALK LKR-11 digital receiver pro is a one-way lightweight receiver designed for users that only need to listen to ListenTALK group conversations. This receiver features near field communication technology, exclusive encryption technology for added security, easy to use volume control and quick visible status via the OLED display. The ListenTALK LKR-11 is the go-to option for one-way communication among groups of two or more people in any environment. This receiver can be used with standard earphones/headphones or Listen Technologies headphones.
Features
Quick and easy setup
One-way communication
Simple up and down volume control
Near field communication technology for easy pairing
OLED screen
Exclusive encryption technology for added security
Compatible with standard earbuds and Listen Technologies headphones
Long-lasting lithium-ion rechargeable battery
Optional alkaline battery compartment
1.9 GHz DECT Secure and licence-free operation
Five year warranty
Delivery Includes
1 LKR-11 ListenTALK Receiver Pro
1 LA-365 Rechargeable Li-ion Battery
1 LA-401 Universal Ear Speaker
1 LA-445-BK Breakaway Lanyard
Technical Data
Physical
Dimensions (H x W x D) with Belt Clip: 10 x 5.4 x 2.4 cm
Unit Dimensions (H x W x D): 10 x 5.4 x 1.6 cm
Unit Weight: 79 g
Shipping Weight: 206 g with 454 g minimum
Enclosure material: PC ABS Plastic
Colour: Black, Chrome Buttons
Indicators: Display- 64 x 128 OLED, Variable brightness, LED- RED/White multifunction (Mute, Charge 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
Radio
Operating Frequency: 1880 to 1900 MHz - Europe, Australia
Typical Range: 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
NFC Frequency (Near Field Communications): 13.56 MHz
Power and Battery Management
Battery Type: Lithium – ion, rechargeable non-proprietary removable, 1200 mAh, Optional- 3 AAA Battery Compartment
Typical Operating Time: Li-ion - 12 Hours, AAA – 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
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
Compliance
Standards: FCC part 15, ICS-03, CE, RCM, RoHS, WEEE
Downloads
Listen Technologies ListenTALK brochure 2021
Listen Technologies ListenTALK system with receivers brochure
Listen Technologies ListenTALK LKR-11 digital receiver pro datasheet
Listen Technologies ListenTALK user guide 2021
Listen Technologies ListenTALK portable simultaneous interpretation
Listen Technologies ListenTALK adding a remote expert
Listen Technologies ListenTALK using a LA-437 Line/Headset cable
Listen Technologies ListenTALK mounting a LK-1 to a helmet for cycle tours
