Name: ListenTALK Receiver Pro
SKU: LKR-11
Price: 268.00 USD
Availability: InStock

LKR-11

ListenTALK Receiver Pro

$268.00

A receiver with a display designed for participants that only need to listen to ListenTALK group conversations.

Overview

Download Product Data Sheet

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.

Includes

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

Highlights

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

Configurations & Architectural Specs

Configurations

LKR-11-A0 ListenTALK Receiver Pro (North America)
LKR-11-E0 ListenTALK Receiver Pro (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 Near-field communication (NFC), 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 64 x 128 OLED display with auto diming allowing display of all current status (group name, volume levels, battery status, time remaining, signal strength, unit ID, etc.)

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-11 is specified.

Product Specifications

Specification LKR-11

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

	* Specifications subject to change without notice.

Requirements

FAQ

Q	What is the range of ListenTALK units?
	A	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.
Q	ListenTALK can have up to 10 groups in "one area". What does "one area" consist of?
	A	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)