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ListenTALK Receiver Basic

Item Code: LKR-12


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.

  • 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
Dimensions (H x W x D) with Belt Clip10 x 5.4 x 2.4 cm (3.93 x 2.13 W x 0.93 in.)
Unit Dimensions (H x W x D)10 x 5.4 x 1.6 cm (3.93 x 2.13 W x 0.63 in.)
Unit Weight79 g (2.79 oz.)
Shipping Weight206 g (7.20 oz) with 454 g (1.0 lbs.) minimum
Enclosure materialPC ABS Plastic
ColorBlack, Chrome Buttons
IndicatorsVariable brightness LED- Green/White multifuntion (On, Charge Status, Battery Status)
User ControlsVolume up, Volume down, Power/Status
ProgrammingVia software and USB port on unit or via software and USB port on Docking Station
ConnectionsHeadset- 3.5mm TRRS, CTIA complaint
 USB- Micro USB, Control and Charging
 Charger- 4 Contact, Control and Charging
Headphone OutputSpeaker Load- 16 – 32 ohm load
 Max Output Power- 67 mW, 16 ohm load, Threshold of Clipping
SystemFrequency 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
Operating Frequency1920 to 1930 MHz – North America
 1880 to 1900 MHz – Europe, Australia
 1895 to 1905 MHz – Japan
Typical RangeIndoor 100 m, Outdoor 200 m, depending upon conditions – North America, Japan
 Indoor 150 m, Outdoor 300 m, depending upon conditions – Europe, Australia
ModulationGFSK – FHSS
SecuritySubscription- 40 bit (Pin Free)
 Authentication- 32 bit
 Encryption- 64 bit
Battery TypeLithium – ion, rechargeable non-proprietary removable, 1200 mAh
 Optional- 3 AAA Battery Compartment
Typical Operating TimeLi-ion- Participant- 12 Hours
 AAA – Participant Mode – 7 Hours
Typical Charge time4 Hours
Power Save ModesPower down on loss of signal
 Power down on disconnection of headphone (1 min)
 Power down on charging
TemperatureOperation- -10 °C (14 °F) to 40 °C (+104 °F)
 Storage- -20 °C (-4 °F) to 50 °C (+122 °F)
Relative Humidity0 to 95% relative humidity, non-condensing
StandardsFCC part 15, ICS-03, CE, RCM, MIC, RoHS, WEEE
  • One (1) LKR-12 ListenTALK Receiver Basic
  • One (1) LA-365 Rechargeable Li-ion Battery
  • One (1) LA-401 Universal Ear Speaker
  • One (1) LA-445-BK Breakaway Lanyard