ListenTALK 2-Way Communication Transceiver

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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 lanyard and Listen Ear Speaker, ListenTALK can be used with standard smartphone earbuds or a Listen Technologies headset.

  • 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

Note: You can pair this unit with another ListenTALK Transceiver or with the more affordable ListenTALK Receiver PRO for one-way communication.


  • 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, 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


  • 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


  • Operating Frequency North America- 1920 to 1930 MHz Europe- 1880 to 1900 MHz
  • Average Power North America- 4 mW Europe- 10 mW
  • Typical Range North America- Indoor 100 m, Outdoor 200 m, depending upon conditions Europe- 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 – 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


  • 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)