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    Product description:

    LD-7800 Professional Digital Walkie-Talkie

    General specifications

    Frequency Range

    VHF:136-174MHz UHF: 400-470MHz

    Number Of Channels

    512

    Channel Spacing

    25/12.5KHz

    Operating Voltage

    7.4V

    Standard Battery

    2000mah (lithium ion)

    Battery Average Working Hours (5-5-90 Working Cycles)

    Analog / Digital: 13/17 hours

    Frequency Stability

    ±1.5 PPM

    Operating Temperature Range

    -20℃~+55℃

    Antenna Impedance

    50Ω

    Dimensions (H x W x D)(Without Antenna)

    119 x 55 x 34mm

    Weight (Including Antenna And Battery)

    280g

    transmitter

    Output Power

    VHF: 5.0W/1.0W UHF: 4.0W/1.0W

    Modulation (Analog)

    11KΦF3E@12.5KHz 16KΦF3E@25KHz

    Modulation (Digital)

    12.5KHz Data and voice 7K60FXW. Data only 7K60FXD

    Clutter And Harmonics

    -36dBm<1GHz -30dBm>1GHz

    Signal To Noise Ratio

    40/45dB

    Audio Distortion

    ≤3%

    Modulation Limit

    ±2.5@12.5KHz;±5.0@25KHz

    Audio Response(300 ~ 3000HZ)

    +1to-3dB

    Digital Vocoder Type

    AMBE++

    Digital Protocol

    ETSI-TS102361-1.-2.-3

    Receiver

    Sensitivity (Simulation)

    ≤0.30/0.20µV

    Sensitivity (Number)

    ≤0.22µV/BER5%

    Adjacent Channel Selectivity

    60/70dB

    Intermodulation

    65dB

    Spurious Response Suppression

    70dB

    Signal To Noise Ratio

    40/45dB

    Audio Output Power

    1.0W

    Audio Distortion

    ≤3%

    Audio Response

    +1~-3dB

    Conduction Emission Miscellaneous

    <-57dBm

    The above specifications are tested in accordance with TIA/EIA-603 standard. The receive part specification applies only to 136-174MHz,
    400-470MHz. As the technology continues to develop, the above specifications are subject to change without notice.
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