One-Way Receivers
This Receiver is a one-way device designed for those participants that only need to listen to group conversations. This receiver is equipped with encryption technology for added security and easy-to-use volume control. The Receiver is the simplest option for one-way communication among groups of two or more people in any environment.
Highlights
- Fast and simple one-way communications
- Simple up and down volume control
- Encryption technology for added security
- Compatible with standard earbuds and application-based headphones
- Long-lasting lithium-ion rechargeable batteries
- Optional Alkaline Battery Compartment
This Receiver without Screen is a one-way device designed for those participants that only need to listen to ListenTALK group conversations. This receiver 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.
Includes
- One (1) ListenTALK Receiver Basic
- One (1) Rechargeable Li-ion Battery
- One (1) Universal Ear Speaker
- One (1) Breakaway Lanyard
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
Configurations
- LKR-12-A0 ListenTALK Receiver Basic (North America)
- LKR-12-E0 ListenTALK Receiver Basic (Europe EU28, Australia)
Architectural Specs
The receiver shall be a digital receiver operating on the 1.9 GHz unlicensed PCS band utilizing Frequency-Hopping Spread Spectrum (FHSS) techniques allowing interference free one-way communication. The device shall employ a multiply layer security protocol consisting of a 40-bit (pin free) group subscription, 32-bit authentication and a 64-bit encryption scheme enabling secure conversations. It shall be easy to pair and form groups via Docking Station or Software Suite. It shall be simple to operate with a Power and Volume Up and Down buttons. It shall allow up to 10 simultaneous groups to operate in the same area. It shall be powered via a removable non-proprietary rechargeable lithium-ion battery or via an optional 3 AAA alkaline battery compartment.
The receiver shall have a 3.5 mm TRRS CTIA compliant headphone connection allowing operation with a standard style headphones. It shall have a multifunction Green/White LED allowing On/Off, Charging and Battery status. The receiver shall have a signal-to-noise ratio of 70 dB or greater and shall have an audio frequency response of 40 Hz – 15 kHz (±3 dB). The device shall incorporate automatic battery charging circuitry to charge and maintain the lithium-Ion battery either via the micro USB port or via the docking station using the additional charging contacts on the bottom of the device.
The ListenTALK LKR-12 is specified.
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
* Specifications subject to change without notice.
ListenTALK Transceiver
Ideal for fast, clear, and secure communication with staff, team members and more.
LK-1
What is the range of ListenTALK units?
ListenTALK (North America Mode) units have a range of up to 200 m depending upon conditions, (Europe/Australia Mode) units have a range of up to 300 m depending upon conditions. These are “line of sight” specifications.
ListenTALK can have up to 10 groups in “one area”. What does “one area” consist of?
One area consists of the typical range, which is 100 m indoors and 200 m outdoors depending on conditions (North America) and 150 m indoors and 300 m outdoors depending on conditions. (Europe version)