Listen Technologies LKR-12-A0 Datasheet
LKR-12
ListenTALK Receiver Basic
Configuration:
LKR-12-A0 ListenTALK Receiver Basic (North
America)
LKR-12-E0 ListenTALK Receiver Basic (Europe
EU28, Australia)
Product Overview:
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.
Highlights:
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
Includes:
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
Product Specification: ListenTALK Receiver Basic
Physical
Dimensions (H x W x D) with Belt Clip 10 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 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)
Listen Technologies Corporation * 14912 Heritage Crest Way * Bluffdale * Utah 84065-4818 U.S.A.
ListenTALK Receiver Basic Page 1 of 3
+1.801.233.8992 * +1.800.330.0891 North America * +1.801.233.8995 Fax
Listen Technologies Corporation All rights reserved 91407 - Created December 5, 2018
LKR-12
ListenTALK Receiver Basic
Product Specification: ListenTALK Receiver Basic
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 1920 to 1930 MHz - North America
1880 to 1900 MHz - Europe, Australia
Typical Range Indoor 100 m, Outdoor 200 m, depending upon conditions - North America
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
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
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
Listen Technologies Corporation * 14912 Heritage Crest Way * Bluffdale * Utah 84065-4818 U.S.A.
ListenTALK Receiver Basic Page 2 of 3
+1.801.233.8992 * +1.800.330.0891 North America * +1.801.233.8995 Fax
Listen Technologies Corporation All rights reserved 91407 - Created December 5, 2018
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