Specifications
LT-990 walkie talkie136-174, 400-470,450-520MHz
128 channels
DTMF, 5-TONE, 2-TONE
Warranty: 1 year
LT-990 Mobile radio, taxi radio, car radio, vehicle radio
VHF136-174,UHF400-470,450-520MHz
Inspection,monitor,stun and kill function
Audio compander,scrambler
High/Low power output switchable
Multi-scan mode
Emergency alarm
Busy channel locked(BCL)
TOT Time-out timer(TOT)
PC programming
General | |
Frequency range | VHF:134-176MHz UHF:400-470MHz/450-520MHz |
Channels | 128 channels |
Channel spacing | 25KHz(width) /12.5KHz(narrow) |
Channel step | 5 KHz,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% |
1pc mobile body
1pc mic speaker
1pc manual
1pc power cable
1pc gift box
1set of screws+clip