LT-990

    LT-990 vehicle walkie talkie

    Free!

    Product Description

    Features of 5-TONE, 2-TONE,128channles  LT-990 mobile radio transceiver :

    1. VHF136-174, UHF400-470MHz
    2. 128 channels
    3. DTMF, 5-TONE, 2-TONE, CTCSS/DCS
    4. Inspection, monitor, stun and kill function
    5. Audio compander, scrambler
    6. High/Low power output switchable
    7. Multi-scan mode
    8. Emergency alarm
    9. Busy channel lock out (BCL)
    10. TOT Time-out timer (TOT)
    11. PC programmable

    Technical Specifications of  5-TONE, 2-TONE,128channles  LT-990 mobile radio transceiver

    General
    Frequency range VHF:134-176MHz
    UHF:400-470MHz/450-520MHz
    Channels 128 channels
    Channel spacing 25KHz(wide)/12.5KHz(narrow)
    Channel step 5KHz,6.25KHz
    Voltage 13.8V DC, cathode grounded
    Current Transmitting <8A, receiving <1A, standby <0.4A
    Operating temperature -30°C— +60°C
    Frequency stability ≤±2.5ppm
    Antenna impedance 50Ω
    Dimension 145(L)×135(W)×40(H)MM
    Weight 1020g
    Receiver
    Sensitivity(at 12dB SINARD) ≤0.25uV(width) ≤0.28µV(narrow)
    Adjacent channel selectivity ≥75dB(width) ≥70dB(narrow)
    Intermodulation rejection ≥75dB
    Spurious response rejection ≥75dB
    Block ≥95dB
    Audio output power 2W(inner) 4W(external)
    Audio response +1/-3dB
    Audio distortion @ Rated audio ≤3
    Transmitter
    Power output 25W
    Clutter&harmonic -36dBm<1GHz -30dBm>1GHz
    FM noise 45dB(width)/40dB(narrow)
    Modulation mode 16KΦF3E(width) / 8KΦF3E(narrow)
    Max frequency deviation ≤±5KHz(width) /2.5KHz(narrow)
    Speaker impedance 600Ω
    Audio response +1/-3dB
    Audio distortion ≤3%

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