
- LK-1 Transceiver
- Physical
- Dimensions (HxWxD) with Belt Clip: 3.93x2.13x0.93" (10x5.4x2.4 cm)
- Unit Dimensions (HxWxD): 3.93x2.13x0.63"(10x5.4x1.6 cm)
- Unit Weight: 2.79 oz (79 g)
- Shipping Weight: 7.20 oz (206 g) with 1 lb (454 g) 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
- Headphone Output
- 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
- Operating Frequency
- 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
- Battery Type
- 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
- Physical
- LA-452 Headset
- Physical
- Color: Black and Gray
- Cable Length: 93 cm (37 in.)
- Unit Weight: 2.21 oz (0.14 lbs)
- Shipping Weight: 71 g (2.5 oz) with 454 g (1 lbs) minimum
- Interconnections: Male 3.5 mm (TRRS), CTIA complaint
- Audio
- Microphone Element: Electret
- Microphone Polar Pattern: Unidirectional – Noise Cancelling
- Microphone Impedance: 1.5 kOhms typical
- Microphone Sensitivity: -40 dBV/Pa @ 1 kHz
- Microphone Bandwidth: 200 Hz – 6.8 kHz
- Microphone Bias: 1.5 – 3 VDC
- Headphone Impedance: 140 Ohms
- Headphone Bandwidth: 200 Hz – 6.8 kHz
- Compliance Standards: RoHS
- Physical
- LA-481 Docking Station Case
- Physical
- Case Color: Gray & Chrome
- Tray Color: Black, Chrome Buttons, Red Leader Pocket
- Dimensions (HxWxD): 7.48x13.78x18.31" (190x350x465mm)
- Unit Capacity: 16 Units
- Unit Weight: 5.13 kg (11.3 lbs)
- Shipping Weight: 5.95 kg (13.1 lbs)
- Power
- Power Supply Input: 100-240VAC, 50-60 Hz
- Power Supply Output: 12 VDC, 4.0 A, 48 W
- Power Supply Connector: 5.5 mm (.22 in.) OD x 2.3 mm (.09 in.) ID, barrel type
- Power Cord: 182.9 cm (72 in.) Input Power Cord, 109.3 cm (43 in.) Output Cord
- Interconnections: USB type B, Power
- Compliance Standards: UL, CE, RCM, RoHS
- Physical
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