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    Product description:

    LH-680 Multi-Function Professional Walkie-Talkie

    General specifications

    Frequency Range

    VHF: 136-174MHz UHF: 350-400MHz, 400-470MHz, 450-520MHz

    Number of channels

    128

    Channel spacing

    12.5/25.0KHz

    Operating Voltage

    7.4V

    Standard battery

    1200mah (lithium ion)

    Battery average working hours (5-5-90 working cycles)

    About 10 hours

    Frequency stability

    ±2.5PPM

    Operating temperature range

    -20℃~+60℃

    Antenna impedance

    50Ω

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

    106 x 53 x 29.5mm

    Weight (including antenna and battery)

    196g

    transmitter

    Output Power

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

    Modulation

    F3E

    Clutter and harmonics

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

    Signal to noise ratio

    45/40dB

    Audio distortion

    ≤5%

    Modulation limit

    ±2.5@25KHz; ±5.0@25KHz

    Audio response(300 ~ 3000HZ)

    +1to-3dB

    Receiver

    Sensitivity

    ≤0.30/0.20µV

    Adjacent channel selectivity

    60/70dB

    Intermodulation

    65dB

    Spurious response suppression

    70dB

    Signal to noise ratio

    45/40dB

    Audio output power

    500mW

    Audio distortion

    ≤5%

    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.
    Baidu
    sogou