LT-770

    LT-770 walkie talkie

    Free!

    Product Description

    Walkie talkie LT-770 specification

    Built-in FM radio

    Computer / manual program

    Built-in 50 groups of CTCSS and 104+1 groups of DCS

    Repeater function

    Battery indicator

    High sensitivity receiver

    Scan function

    Keypad lockout

    Signal strength indicator

    High/low power select (1 to 5W)

    Standby time: 120 hours

    Lower battery warning

    LCD & keypad backlit display

    Adjustable squelch level

    12.5kHz  / 25kHz compatibility

    Emergency alarm function

    Technical specifications

    Model NO. LT-770V LT-770U
    General
    Frequency Band VHF UHF
    Frequency Range 136-174MHz 400-470MHz
    Channel Capacity 99
    Operating Voltage 7.2V DC ±15%
    Antenna Impedance 50Ω
    Channel Spacing 12.5kHz/25kHz
    Working Temperature -30 °C – +60 °C
    Frequency Stability ±2.5 ppm
    Size (Without Antenna) 104(W)mmx62(L)mmx36mm(D)
    Weight(With Battery) 250g
    Battery 1500 mAh(Li-ion)
    Transmitter
    RF Power Output 5W/4W
    Modulation Type F3E
    Modulation Distortion < 5%(300-3000Hz)
    Max Freq Deviation < 5kHz(1000Hz When 100%)
    FM Noise <=-45dB
    Receiver
    Sensitivity(12Db SINAD) 0.16μV
    Selectivity 55dB
    Adjacent Channel Selecivity >=70dB
    Noise Respond >=60dB
    FM Noise 30dB/40dB
    Modulation Type 8K/16KF3E
    Audio Power Output 500mW When Distortion Less Than 10%
    Audio Distortion < 5%
    Operating Bandwidth ±3.5kHz/3.75kHz
    Standby Current < 12mA

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