- Description
Details
ListenTalk LK-1 Transceiver from Listen Technologies Transmits and Receives Audio
The Listen Technologies LK-1-A0 is a transceiver designed for two-way mobile communications. It utilizes Listen Technologies' proprietary encryption technology to ensure security, and provides easy-to-use, push-to-talk implementation in the field for simple coordination and communication among two or more collaborators in any scenario.
Listen Technologies' fast and simple two-way wireless encrypted group communication. Wireless and secure collaboration among two or more people in any environment.
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.
Each transceiver can function as a leader or participant. Simply turn the units on and designate one to be the leader by attaching the included leader clip. Up to two leaders can be designated per group.
A group is created by using the near field communication (NFC) by pairing the leader unit to the participant units, by touching them back to back. Pairing can be done with the push of a button when using the optional docking station.
In addition to the included Listen Ear Speaker, ListenTALK can be used with standard smartphone earbuds or a Listen Technologies headset.
- Features
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
- Specification
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 enabledOperating Frequency 1920 to 1930 MHz Average Power 4 mW Typical Range Indoor 100 m, Outdoor 200 m, depending upon conditions Modulation GFSK - FHSS
TDD/TDMA/DCASecurity Subscription- 40 bit (Pin Free)
Authentication- 32 bit
Encryption- 64 bitConnections Headset- 3.5mm TRRS, CTIA complaint
USB- Micro USB, Control and Charging
Charger- 4 Contact, Control and ChargingUser Controls Volume up, Volume Down, Talk, Power/Status, Talk Modes, Pairing Indicators Display- 64 x 128 OLED, Variable brightness
LED- RED/White multifunction (Mute, Charge Status)Programming Via software and USB port on unit or via software and USB port on Docking Station Headphone Output Speaker Load- 16 - 32 ohm load
Max Output Power- 67 mW, 16 ohm load, Threshold of Clipping
Side Tone- AdjustableMicrophone Input Compatibility- Electret, external bias
Bias- 3 volt, 2 mA Current Maximum
Sensitivity Requirement -28 to - 50 dBV/PaInternal Microphone Switching- Auto detect on jack insertion or Manual
Maximum Input Level- 109 DBSPL
Gain- Adjustable, 30 dB rangeBattery Type Lithium – ion, rechargeable non-proprietary removable, 1200 mAh
Optional- 3 AAA Battery CompartmentTypical Charge time 2.5 - 3 Hours Typical Operating Time Li-Ion- Participant- 12 Hours
AAA – Participant Mode – 9 Hours
LI-ion – Leader Mode – 8 hours
AAA – Leader Mode – 6 hoursPower Save Modes Power down on loss of signal
Power down on disconnection of headset (1 min)
Power down on chargingEnclosure material PC ABS Plastic Color Black, Chrome Buttons Temperature Operation- 14 °F (-10 °C) to +104 °F (40 °C)
Storage- -4 °F (-20 °C) to +122 °F (50 °C)Relative Humidity 0 to 95% relative humidity, non-condensing Standards Pending (FCC part 15, ICS-03, CE, RCM, RoHS, WEEE) Dimensions (H x W x D) 3.93" (99.82 mm) x 2.13" (54.1 mm) x 0.93" (23.62 mm) with Belt Clip Shipping Weight 1.0 lbs (0.45 kg) - Documents
Documents
- In The Box
In The Box
- (1) LK-1-A0 ListenTALK Transceiver
- (1) LA-365 Rechargeable Li-ion Battery
- (1) LA-401 Universal Ear Speaker
- (1) LPT-A207 Breakaway Lanyard
- (1) Leader Clip
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