The LK-1 ListenTALK Transceiver provides fast, secure two-way communication with push-to-talk functionality. Includes a rechargeable lithium-ion battery, universal ear speaker, and breakaway lanyard for added convenience and compatibility with standard earbuds and Listen Technologies headsets.
$474.00
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The ListenTALK LK-1 Transceiver is engineered for efficient and secure two-way communication, making it an ideal choice for various applications, from guided tours to live events. Featuring fast and straightforward push-to-talk functionality, the LK-1 allows users to engage in seamless conversations with the simple press of a button.
Security is a top priority, and this transceiver is equipped with exclusive encryption technology to safeguard your communications from unauthorized access. The LK-1 is designed for versatility, as it is compatible with standard earbuds and Listen Technologies headsets, ensuring users can select their preferred audio solution.
This transceiver comes with a long-lasting LA-365 rechargeable lithium-ion battery, providing extended usage without the hassle of frequent recharging. For added convenience, the optional alkaline battery compartment allows for quick power replacement when necessary.
Included with the LK-1 are a universal ear speaker for clear audio and a breakaway lanyard for easy wear and access. This combination of features makes the LK-1 Transceiver a reliable communication tool for professionals and organizations seeking effective solutions for group interactions.
Enhance your communication capabilities with the LK-1 ListenTALK Transceiver—your partner for clear and secure dialogue.
Quick Start Guides:
Tech Notes:
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, 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 | 1920 to 1930 MHz – North America |
| 1880 to 1900 MHz – Europe, Australia | |
| 1895 to 1905 MHz – Japan | |
| Average Power | 4 mW – North America |
| 10 mW – Europe, Australia | |
| 5 mW – Japan | |
| Typical Range | Indoor 100 m, Outdoor 200 m, depending upon conditions – North America, Japan |
| 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- 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- -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, MIC, RoHS, WEEE |
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