Listen Technologies ListenTALK GR8 system

General Description

The ListenTALK GR8 system enables one leader to easily communicate with seven group members. This wireless package comprises one transceiver, seven receivers, a sixteen-slot charger case (for future expansion), headset with adjustable boom microphone for the group leader and single ear speakers for the rest of the group.

This portable system has no base station so can be used indoors or outdoors.

Each transceiver has an OLED screen to display the group name, battery status, etc.

Features

Complete package ready to use
Encryption for confidential meetings
Licence-free anywhere in Europe
Lightweight and easy to use
Extra charging and storage capacity for future expansion
Programmable via ListenTALK Software Suite

Delivery Includes

LKS-6-A1 system comprising-
1 LK-1 Transceiver with Leader clip
7 LKR-11 ListenTALK Receiver Pro
8 LA-401 Universal Ear Speaker
8 LA-445-BK Breakaway Lanyard
1 LA-481 Docking Station Case 16
1 LA-452 Headset 2

Technical Data

LK-1 Transceiver
Physical
Dimensions (H x W x D) with Belt Clip: 10 x 5.4 x 2.4 cm
Unit Dimensions (H x W x D): 10 x 5.4 x 1.6 cm
Unit Weight: 79 g
Enclosure material: PC ABS Plastic
Colour: 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 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, 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 +/- 3dB, 22kHz low pass filter, SNR- 70 dB, A- weighted, Threshold of Clipping, THD- 0.5% @ 1kHz, 22kHz low pass enabled

Radio
Operating Frequency: 1880 to 1900 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

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 – 9 Hours, LI-ion – Leader Mode – 8 hours, AAA – Leader Mode – 6 hours
Typical Charge time: 2.5 - 3 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- -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: Pending (FCC part 15, ICS-03, CE, RCM, RoHS, WEEE)

LKR-11 Receiver Pro
Physical
Dimensions (H x W x D) with Belt Clip: 10 x 5.4 x 2.4 cm
Unit Dimensions (H x W x D): 10 x 5.4 x 1.6 cm
Unit Weight: 79 g
Shipping Weight: 206 g with 454 g minimum
Enclosure material: PC ABS Plastic
Colour: 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: 1880 to 1900 MHz - Europe, Australia
Typical Range: 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

LA-481 Docking Station Case 16
Physical
Case Colour: Grey & Chrome
Tray Colour: Black, Chrome Buttons, Red Leader Pocket
Dimensions: (H x W x D) 190 x 350 x 465 mm
Unit Capacity: 16 Units
Unit Weight: 5.13 kg

Power
Power Supply Input: 100-240VAC, 50-60 Hz
Power Supply Output: 12 VDC, 5.0 A, 60 W
Power Supply Connector: 5.5 mm OD x 2.3 mm ID, barrel type
Power Cord: 182.9 cm Input Power Cord, 109.3 cm Output Cord Interconnections
Connection/s: USB type B
Connection/s: Power

Compliance

Standards: UL, CE, RCM, RoHS