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Listen
Technologies LK-1-E0 ListenTALK Transceiver, Europe EU28,
Australia; Fast and simple two-way communication; Push-to-talk
functionality; Exclusive encryption technology for added
security; Compatible with standard earbuds and Listen
Technologies headsets; Long-lasting lithium ion rechargeable
batteries; Optional Alkaline Battery Compartment; The
transceiver shall be a digital transceiver operating on the 1.9
GHz unlicensed PCS band utilizing Frequency-Hopping Spread
Spectrum (FHSS) techniques allowing interference free full
duplex 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, Talk 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 transceiver shall have a 3.5 mm TRRS CTIA compliant headset
connection allowing operation with a standard electret style
headset; It shall have a built-in-microphone with auto detect
circuitry if users elect to use their personal ear buds; It
shall have a 64 x 128 OLED display with auto diming allowing
display of all current status (group name, volume levels, mute,
battery status, time remaining, signal strength, unit ID, mode,
etc.); The device shall have a leader clip and when inserted the
unit automatically designates itself as a leader and allows the
leader/presenter to control pairing/group creation and leader
talkback modes (listen only, leader only or group); The
transceiver 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 LK-1 is specified; Dimensions 6.0" x 4.4"
x 2.1"; Weight 2 lbs
| General
Information |
| Manufacturer
|
Listen Technologies |
| Manufacturer Part
Number |
LK-1-E0
|
| Product Name
|
ListenTALK Transceiver, Europe
EU28, Australia
|
| Overview |
| Designed to be
the new standard for two-way mobile communications, the
ListenTALK Transceiver is the smartest system available.
The all-in-one device, equipped with Listen Technologies’
exclusive encryption technology and push-to-talk
functionality, provides the simplest option for
communication and collaboration among two or more people
in any environment. In addition to the included Listen Ear
Speaker, ListenTALK can be used with standard smartphone
earbuds or a Listen Technologies headset |
| Features |
|
Fast and simple two-way
communication
Push-to-talk
functionality
Exclusive encryption
technology for added security
Compatible with standard
earbuds and Listen Technologies headsets
Long-lasting lithium ion
rechargeable batteries
Optional Alkaline
Battery Compartment
The transceiver shall be
a digital transceiver operating on the 1.9 GHz
unlicensed PCS band utilizing Frequency-Hopping Spread
Spectrum (FHSS) techniques allowing interference free
full duplex 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, Talk 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 transceiver shall
have a 3.5 mm TRRS CTIA compliant headset connection
allowing operation with a standard electret style
headset
It shall have a
built-in-microphone with auto detect circuitry if
users elect to use their personal ear buds
It shall have a 64 x 128
OLED display with auto diming allowing display of all
current status (group name, volume levels, mute,
battery status, time remaining, signal strength, unit
ID, mode, etc.)
The device shall have a
leader clip and when inserted the unit automatically
designates itself as a leader and allows the
leader/presenter to control pairing/group creation and
leader talkback modes (listen only, leader only or
group)
The transceiver 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 LK-1 is
specified
|
| Pictures |
 |
| Specification |
Includes
|
One LK-1 ListenTALK Transceiver
w/Leader Clip
One LA-365 Rechargeable Li-ion Battery
One LA-401 Universal Ear Speaker
One LA-445-BK Breakaway Lanyard |
Physical
|
Dimensions With Belt Clip
|
3.93" x 2.13" x 0.93"
|
Unit Dimensions
|
3.93" x 2.13" x 0.63"
|
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, Talk,
Power/Status, Talk Modes, Pairing
|
Programming
|
Via Software and USB port on unit
or via sofware and USB port on Docking Station
|
Connections
|
Headset: 3.5 mm TRRS, CTIA
Complaint
USB: Micro USB, Control and Charging
Charger: 4 Contact, Controland Charging
|
Audio
|
Headphone Output
|
Speaker Load: 16 - 32 Ohms
load
Max Output Power: 67 mW, 16 Ohms load, Threshold of
Clipping
Side Tone: Adjustable
|
Microphone Input
|
Compatibility:
Electret, external bias
Bias: 3 Volt, 2 mA Current Maximum
Sensitivity Requirement: 28 to 50 dBV/Pa
|
Internal Microphone
|
Switching: Auto detect on
jack insertion or Manual
Maximum Input Level: 109 DBSPL
Gain: Adjustable, 30 dB range
|
System
|
Frequency Response:
40 Hz to 15 kHz +/- 3 dB, 22 kHz low pass filter
SNR: 70 dB, A- weighted, Threshold of Clipping
THD: 0.5 percent at 1 kHz, 22 kHz low pass enabled
|
Radio
|
Operating Frequency
|
1880 to 1990 mHz
|
Average Power
|
10 mW
|
Typical Range
|
Indoor 150 m, Outdoor 300 m,
depending upon conditions
|
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
Participant: 12 Hours
AAA, Participant Mode: 7 Hours
Li-Ion, Leader Mode: 7 Hours
AAA, Leader Mode: 4 Hours
|
Typical Charge Time
|
4 Hours
|
Power Save Modes
|
Power down on loss of signal
Power down on disconnection of headset (1 min)
Power down on charging
|
Environmental
|
Temperature
|
Operation: 14 to +104
degrees fahrenheit
Storage: -4 to +122 degrees fahrenheit
|
Relative Humidity
|
0 to 95 pecent relative humidity,
non-condensing
|
Compliance
|
Standards
|
FCC part 15, ICS-03, CE, RCM,
RoHS, WEEE
|
Weight and Dimensions
|
Dimensions
|
6.0" x 4.4" x 2.1" |
Weight
|
2 lbs
|
A-20190114-1831-200-L
*This item is BRAND NEW - not refurbished. It comes with all
manufacturer supplied accessories; and full manufacturer's USA
warranty.
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