The LKR-11 ListenTALK Receiver Pro is a one-way device designed for those participants that only need to listen to ListenTALK group conversations. The LKR -11 is equipped with Listen Technologies’ ergonomic design, near field communications, encryption technology for added security, easy to use volume control and quick visible status via the OLED display. ListenTALK Receiver Pro 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.
Main Features:
• Fast and simple one-way communication
• 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
What's Included:
• One (1) LKR-11 ListenTALK Receiver Pro
• One (1) LA-365 Rechargeable Li-ion Battery
• One (1) LA-401 Universal Ear Speaker
• One (1) LA-445-BK Breakaway Lanyard
Specifications:
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:
• 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:
• 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
• 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
