Listen Tech LKR-12-A0 ListenTALK Receiver Basic

Listen Tech LKR-12-A0 ListenTALK Receiver Basic

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.

Key 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

Technical Specifications

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
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)
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